on

英[ɒn]美[ɑːn]

prep.（表示方向）向，（表示对象）对，（表示位置）在…上，（表示时间）在…之时；

adv.（放，穿，连接）上，向前，（继续）下去；

英语六级真题

cut the salary of senior executivesrelocate some of its chain storesadjust its promotion strategiesreduce the size of its staffTo experiment on its new business concept.

Yet later on, the more affluent children end up in college and on the way to the middle class, while working-class children tend to struggle.

Writing in the journal, the scientists describe how the storks from Germany were clearly affected by the presence of waste sites, with four out of six birds that survived for at least five months overwintering on rubbish dumps in northern Morocco, instead of migrating to the Sahel.

White storks feed on locusts ( ' , 蝗虫) and other insects that can become pests if their numbers get out of hand.

While many birds travelled along well-known routes to warmer climates, others stopped short and spent the winter on landfills, feeding on food waste, and the multitudes of insects that thrive on the dumps.

We need very broad participation to fully address the global tragedy that results when countries fail to take into account the negative impact of their carbon emissions on the rest of the world.

To focus more on beauty products than clothing.

They made some improvements on the traditional Parisian design.

They join the storks from Germany on rubbish dumps in Morocco.

They have led some birds to give up on migration.

They are not attracted to the rubbish dumps on their migration routes.

There are huge clusters of organic waste they can feed on, said Flack.

The video challenge does not put individual students on the hot seat—so it's less intimidating by design.

The summer after 7th grade, students spend three weeks on a college campus studying advanced math for seven hours a day.

The recent discovery of the giant Zohr gas field off the Egyptian coast will eventually have impact on pricing in the Mediterranean region and Europe, and there is significant development potential in many other places, notably Argentina.

The nations participating at COP 21 are focusing on quantitative emissions-reduction commitments.

The hope is that the success of COP 21 opens the door to future international agreement on carbon prices.

The damaging effect on bio-diversity.

The company blamed much of the poor performance in November and December on unseasonably warm weather.

System institutions are operating very efficiently based on this analysis, raising the question of the value of pursuing a broad scale outsourcing initiative.

Some math training programs primarily focus on raising students' math scores.

Social scientists say the differences arise in part because low-income parents have less money to spend on music class or preschool, and less flexible schedules to take children to museums or attend school events.

Parents of advanced-math students and MathCounts coaches say the children are on the website constantly.

Only about 50 students are invited based on their performance on written tests and at the USA Math Olympiad.

Of course, much of this argument in the 1930s-40s was advanced because there was little or no experience in justifying apparel ( ' , 服装) on the basis of utility.

Nations from around the world have gathered in Paris for the United Nations Climate Change Conference, COP 21, with the goal of a universal and potentially legally-binding agreement on reducing greenhouse gas emissions.

Most affluent parents enroll their children in preschool or day care, while low-income parents are more likely to depend on family members.

Morgan's comments on outsourcing mark the second time this month that he has come out against one of Haslam's plans for higher education in Tennessee.

Middle-class and higher-income parents see their children as projects in need of careful cultivation, says Annette Lareau, whose groundbreaking research on the topic was published in her book Unequal Childhoods: Class, Race and Family Life.

Meanwhile, Macy's has simply struggled to lure consumers who are more interested in spending on travel or dining out than on new clothes or accessories.

Massive rubbish dumps and sprawling landfills constitute one of the more uncomfortable impacts that humans have on wildlife.

Landfill sites on the Iberian Peninsula have long attracted local white storks, but all of the Spanish birds tagged in the study flew across the Sahara Desert to the western Sahel.

Its flagship stores in major U.S. cities depend heavily on international tourist spending, which shrank at many retailers due to a strong dollar.

It laid emphasis on women's beauty.

In these groups, which came out of an Eastern European tradition of developing young talent, professors teach promising K-12 students advanced mathematics for several hours after school or on weekends.

In the short-term, the birds seem to benefit from overwintering ( ' , 过冬) on rubbish dumps.

In the Pew survey, middle-class families earning between $30,000 and $75,000 a year fell right between working-class and high-earning parents on issues like the quality of their neighborhood for raising children, participation in extracurricular activities and involvement in their children's education.

In an email sent Monday to college presidents in the Tennessee Board of Regents system, outgoing Chancellor John Morgan said an internal analysis showed that each campus' spending on facilities management fell well below the industry standards identified by the state.

In addition, other factors are putting downward pressure on oil prices: change in the strategic behavior of the Organization of Petroleum Exporting Countries, the projected increase in Iranian exports, the scaling-down of global demand ( ' , especially from emerging markets), the long-term drop in petroleum consumption in the United States, and some displacement of oil by substitutes.

Implicitly or explicitly, American fashion addressed a democracy, whereas traditional Paris-based fashion was prescriptive and imposed on women, willing or not.

Historically, scientists have objected to sharing for many reasons: it is a lot of work; until recently, good databases did not exist; grant funders were not pushing for sharing; it has been difficult to agree on standards for formatting data; and there is no agreed way to assign credit for data.

He disagreed with the governor on higher education policies.

For example, one of the most popular data sets on multidisciplinary repository Dryad is about wood density around the world; it has been downloaded 5,700 times.

Flack said it was too early to know whether the benefits of plentiful food outweighed the risks of feeding on landfills.

Even Africa and the Middle East, home to economies that are heavily dependent on fossil fuel exports, have enormous potential to develop renewables.

Economic reasoning shows that the least expensive way for each country is to put a price on carbon emissions.

Different upbringings set children on different paths and can deepen socioeconomic divisions, especially because education is strongly linked to earnings.

Designer sportswear was not modeled on that of Europe, as modern art would later be; it was genuinely invented and developed in America.

Data on management expenses at the college system and in other state departments will be part of a business justification the state will use as officials deliberate the specifics of an outsourcing plan.

Co-author Amy Zanne thinks that users probably range from climate-change researchers wanting to estimate how much carbon is stored in biomass, to foresters looking for information on different grades of timber.

Closings were simple, practical, and accessible, as the modern woman depended on no personal maid to dress her.

By making the effort to organize and label files so others can understand them, scientists become more organized and better disciplined themselves, thus avoiding confusion later on.

But will such contests, which are overwhelmingly dominated by Asian and white students from middle-class and affluent families become any more diverse? Many social and cultural factors play roles in determining which promising students get on the path toward international math recognition.

At this time there is nothing to take action on since the analysis has yet to be completed.

Andrea Flack of the Max Planck Institute found that birds following traditional migration routes were more likely to die than German storks that flew only as far as northern Morocco, and spent the winter there on rubbish dumps.

Although calls to share data often concentrate on the moral advantages of sharing, the practice is not purely altruistic ( ' , 利他的).

Agreement on an international carbon-price floor would be a good starting point in that process.

According to Richard Rusczyk, the company founder, the six U.S.team members who competed at the IMO last year collectively took more than 40 courses on the site.

A tax on upstream carbon sources is one easy way to put a price on carbon emissions, although some countries may wish to use other methods, such as emissions trading schemes.

I asked what impression she wanted to make on the jury.

Good morning! America’s holiday shopping season starts on Black Friday, the day after Thanksgiving.

For years, many of us have relied on antibiotic use to treat various infections.

For the next few years, you have a chance to focus on thinking.

And the reality is that antibiotics have been responsible for saving millions of lives since penicillin, one of the earliest antibiotics, was first used on a clinical basis 70 years ago.

About 183.8 million people will shop on Cyber Monday, the first Monday after Thanksgiving.

With a tax imposed on expensive health insurance plans, most employers will likely transfer money from health expenses into wages.

Unilever recently ran an interactive campaign for its Axe deodorant ( ' , 除臭剂), which kept viewers engaged for more than three minutes on average.

Today's teenagers admire their parents and welcome parental guidance about important matters such as career choice—though certainly not Mom and Dad's advice on matters of personal taste, such as music or fashion.

To get access to millions of new customers, insurers would have a strong incentive to sell on the exchange.

They include such measures as accountable care organizations to take charge of a patient's needs with an eye on both cost and quality, and chronic disease management to make sure the seriously ill, who are responsible for the bulk of all health care costs, are treated properly.

The roots of his speech, given in March at the roundtable meeting of environment and energy ministers from the G20 group of nations, stretch back to 1972, and the United Nations Conference on the Human Environment in Stockholm.

The revisions come at a time when green marketing is on the rise.

The report focused on poor urban areas, where farms in or near cities supply relatively inexpensive food.

The money spent on kitchens has risen with their status.

The bills in both chambers would create health insurance exchanges on which small businesses and individuals could choose from an array of private plans and possibly a public option.

The average budget for a major kitchen overhaul in 2006, calculates Remodeling magazine, was a staggering $54,000; even a minor improvement cost on average $18,000.

The amount spent on interactive advertising on television is still small.

The Senate Finance bill would impose an excise tax ( ' , 消费税) on health insurance plans that cost more than $8,000 for an individual or $21,000 for a family.

Teenagers of today often turn to their parents for advice on such important matters as career choice.

So the news that Cablevision, an American cable company, was rolling out interactive advertisements to all its customers on October 6th was greeted with some skepticism.

She borrowed the principle of efficiency on the factory floor and applied it to domestic tasks on the kitchen floor.

Recently, we examined more than 400 essays on the laws of life that teens from two communities had written as part of an educational program initiated by the John Templeton Foundation in Radnor, Pa.

One recent study warns us of the danger of the exhaustion of natural resources on Earth.

One boy said, I'd rather be concentrating on artistic efforts than saving the world or something.

On the contrary, all the facts suggest that high unemployment in America is the result of inadequate demand.

Nearly a decade ago it was predicted that viewers of Friends, a popular situation comedy, would soon be able to purchase a sweater like Jennifer Aniston's with a few taps on their remote control.

My own research at the Stanford Center on Adolescence uses in-depth interviews with small samples of youngsters rather than large-scale surveys.

Marketers must qualify their claims on the product packaging and limit them to a specific benefit, such as how much of the product is recycled.

Manufacturers of products that claim to be environmentally friendly will face tighter rules on how they are advertised to consumers under changes proposed by the Federal Trade Commission.

It will make the farm produce less competitive on the market.

It had, apparently, been fished out of existence; and the once mighty Newfoundland fleet now gropes about frantically for crab on the sea floor.

Interactive television advertising, which allows viewers to use their remote controls to click on advertisements, has been pushed for years.

In most cases, the human waste is used on grain crops, which are eventually cooked, minimizing the risk of transmitting water-borne diseases.

In 2008 and 2009, class-action lawsuits ( ' , 集体诉讼) were filed against SC Johnson for using Greenlist labels on its cleaning products.

If our economies are to flourish, if global poverty is to be eliminated and if the well-being of the world's people enhanced—not just in this generation but in succeeding generations—we must make sure we take care of the natural environment and resources on which our economic activity depends.

I'd be sympathetic if the union focused solely on higher compensation.

Her 1919 work, Household Engineering: Scientific Management in the Home, was based on detailed observation of a housewife's daily routine.

He echoes Pay Drechsel's opinion on the issue.

For the most part, these experiments rely on incentive payments to get doctors to try them.

Families graze on high-cholesterol take-aways and microwaved readymeals.

柯林斯高阶英汉双解学习词典释义

PREP

（表示支承）在…上

If someone or something is on a surface or object, the surface or object is immediately below them and is supporting their weight.

例句

PREP

（表示粘贴或附着）在…上

If something is on a surface or object, it is stuck to it or attached to it.

例句

PREP

（放、扔或掉）在…上面

If you put, throw, or drop something on a surface, you move it or drop it so that it is then supported by the surface.

例句

PREP

（身体重量）由（某部位）支撑

You use on to say what part of your body is supporting your weight.

例句

PREP

（表示接触到身体某部位）在…上

You use on to say that someone or something touches a part of a person's body.

例句

PREP

（某种表情）在（脸）上

If someone has a particular expression on their face, their face has that expression.

例句

ADV

（穿或戴）上，在身上

When you put a piece of clothing on, you place it over part of your body in order to wear it. If you have it on, you are wearing it.

例句

PREP

带在…身上

You can say that you have something on you if you are carrying it in your pocket or in a bag.

例句

PREP

（视线）落在…身上

If someone's eyes are on you, they are looking or staring at you.

例句

PREP

（碰）上…（而受伤）

If you hurt yourself on something, you accidentally hit a part of your body against it and that thing causes damage to you.

例句

PREP

在（某）地

If you are on an area of land, you are there.

例句

PREP

是（道路、海岸等）的一部分；在…边上

If something is situated on a place such as a road or coast, it forms part of it or is by the side of it.

例句

PREP

上，乘（公共汽车、火车或飞机）

If you get on a bus, train, or plane, you go into it in order to travel somewhere. If you are on it, you are travelling in it.

例句

PREP

（写或印刷）在…上

If there is something on a piece of paper, it has been written or printed there.

例句

PREP

在（名单）上；包括在…内

If something is on a list, it is included in it.

例句

PREP

（书、讨论或观点）关于，涉及

Books, discussions, or ideas on a particular subject are concerned with that subject.

例句

PREP

以，凭，靠（某一方法、原则或系统）

You use on to introduce the method, principle, or system which is used to do something.

例句

PREP

通过，借助于（某一器械或机器）

If something is done on an instrument or a machine, it is done using that instrument or machine.

例句

PREP

以…方式（储存信息）

If information is, for example, on tape or on computer, that is the way that it is stored.

例句

PREP

在（广播或电视）上播出

If something is being broadcast, you can say that it is on the radio or television.

例句

ADJ

正在发生的

When an activity is taking place, you can say that it is on .

例句

ADV

（表示某人忙碌程度）忙得很/没什么可忙

You use on in expressions such as 'have a lot on' and 'not have very much on' to indicate how busy someone is.

例句

PREP

（引出所进行的活动，特别是旅行）处于…情况中，在从事…中

You use on to introduce an activity that someone is doing, particularly travelling.

例句

ADV

（机器、电灯等）开着，工作着，使用中

When something such as a machine or an electric light is on, it is functioning or in use. When you switch it on, it starts functioning.

例句

PREP

是…的成员；供职于

If you are on a committee or council, you are a member of it.

例句

PREP

在（某一日子或日期）（发生）

You can indicate when something happens by saying that it happens on a particular day or date.

例句

PREP

在…后立即；一…就

You use on when mentioning an event that was followed by another one.

例句

ADV

（继续）下去

You use on to say that someone is continuing to do something.

例句

ADV

不停地（数落、抱怨、纠缠）

If you say that someone goes on at you, you mean that they continually criticize you, complain to you, or ask you to do something.

例句

ADV

从…时候起；自…以后

You use on in expressions such as from now on and from then on to indicate that something starts to happen at the time mentioned and continues to happen afterwards.

例句

ADV

（常用在副词early，late，far及其比较级之后，尤置于句首、句尾或介词之前）

You often use on after the adverbs 'early', 'late', 'far', and their comparative forms, especially at the beginning or end of a sentence, or before a preposition.

例句

PREP

定期服用；服…成瘾

Someone who is on a drug takes it regularly.

例句

PREP

以…（为食）；（机器）用（某种动力或燃料运转）

If you live on a particular kind of food, you eat it. If a machine runs on a particular kind of power or fuel, it uses it in order to function.

例句

PREP

以…（为收入）

If you are on a particular income, that is the income that you have.

例句

PREP

（税收或利润）获自…，来自…

Taxes or profits that are obtained from something are referred to as taxes or profits on it.

例句

PREP

在…方面（花钱）

When you buy something or pay for something, you spend money on it.

例句

PREP

在…方面（花时间或精力）

When you spend time or energy on a particular activity, you spend time or energy doing it.

例句

PHRASE

无法接受的；行不通的

If you say that something is not on or is just not on, you mean that it is unacceptable or impossible.

例句

PHRASE

不停地；继续不断地

If you say that something happens on and on, you mean that it continues to happen for a very long time.

例句

PHRASE

（表示困惑）在谈论什么

If you ask someone what they are on about or what they are going on about, you are puzzled because you cannot understand what they are talking about.

例句

PHRASE

（表示有信心）知道自己在说些什么，了解情况

If you say that someone knows what they are on about, you are confident that what they are saying is true or makes sense, for example because they are an expert.

例句

PHRASE

掌握不利于（某人）的证据；抓住（某人）的把柄

If someone has something on you, they have evidence that you have done something wrong or bad. If they have nothing on you, they cannot prove that you have done anything wrong or bad.

例句

英汉词典释义

prep.

(表示位置)在…上, 在…旁, 在…身边

(表示时间)在…之时

(表示方向)向, 往, 朝; 沿着, 顺着

(表示状态)系于, 悬于; 附于

(表示方式)乘, 坐, 骑

(表示对象)对, 对于, 碰在, 对…造成困难

(表示原因)由于, 因为

(表示比较)与…相比

(表示方位)在…方位

adv.

(放, 穿, 连接)上

向前, (继续)下去

n.

(发生、活动等的)情况，状态

【板球】1). 左击球手右后方场地 2). 右击球手左后方场地 3). 侧击

adj.

活动着的，使用着的，起着作用的，开着的，接通的

发生着的，正发生的

计划中的

英英词典释义

Adjective

1. in operation or operational;

2. (of events) planned or scheduled;

3. performing or scheduled for duties;

Adverb

1. with a forward motion;

2. indicates continuity or persistence or concentration;

3. in a state required for something to function or be effective;

行业词典

体育： 竞技状态良好；接通；开动；把球击上草上；

大气科学： 向岸风: on-shore wind 沿岸地区, 由水域吹向陆地的风。；

机械： 在线测量频谱分析: on-line measurement and frequency spectrum method 利用从安装在生产过程现场的传感器取得的信号频谱进行的实时分析。；通断控制器: on-off controller 两个离散值中一个为0一个为1的两位控制器。；在线实时系统: on-line real-time system 利用通信线路把数据源和中央计算机连接起来，在数据产生的同时直接把数据传送给中央计算机进行处理并作出快速响应的系统。；在线处理: on-line processin；

水产： 岩礁养殖: bottom culture, rock-base culture 利用浅海岩礁作为海藻附着基进行繁殖生长的海藻养殖方式。；

法律： 关于；

物理学： 在线分析: on-line analysis；

电力： 协联工况: on-cam operating condition；带负荷试验: on-load test；有载调压变压器: on-load voltage-regulating transformer；协联装置: on-cam device；on-load voltage regulation；有载分接开关: on-load tap-changer；不停堆换料: on-line refuelling；

电子学： 通；