two

英[tuː]美[tuː]

n.两个，两个东西，两点钟，一对；

num.两个，第二，二；

复数：twos;

英语六级真题

There are usually two parents, who spend a lot of time reading to children and worrying about their anxiety levels and hectic schedules.

Interest in elite high school math competitions has grown in recent years, and in light of last summer's U.S. win at the International Math Olympiad ( ' , IMO)—the first for an American team in more than two decades— the trend is likely to continue.

In the past few years, MathCounts added two new middle school programs to try to diversify its participant pool—the National Math Club and the Math Video Challenge.

And in today’s program, we’re looking at the results of two recently published surveys, which both deal with the same topic—happiness at work.

Thoughts turn first to some sort of global statistic, some indicator which would rate the wealth of nations in both economic and environmental terms and show a relationship between the two.

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.

Medical spending, which typically rises faster than wages and the overall economy, is propelled by two things: the high prices charged for medical services in this country and the volume of unnecessary care delivered by doctors and hospitals, which often perform a lot more tests and treatments than a patient really needs.

Get a teacher from the top 20%, and it's as if a child has gone to school for an extra month or two.

David Mallen, associate director of the Council of Better Business Bureau, said in the last two years the organization had seen an increase in the number of claims companies were bringing against each other for false or misleading environmental product claims.

The U.S. is also the only advanced economy that does not guarantee workers paid vacation time, and it's one of only two countries in the world that does not offer guaranteed paid maternity leave.

In one example that demonstrated genetic differences were not fixed along racial lines, the full genomes ( ' , 基因组 ) of James Watson and Craig Venter, two famous American scientists of European ancestry, were compared to that of a Korean scientist, Seong-Jin Kim.

Brazil opened a research station in 1984, but it was largely destroyed by a fire that killed two members of the navy in 2012, the same year that a diesel-laden Brazilian barge sank near the base.

So what I’ve done is I’ve taken Sternberg’s three elements of love: intimacy, passion and commitment, and I’ve listed out the different kinds of relationships you would have if you had zero, one, two or three out of the three elements.

Now what’s interesting about the theory is what do you have if you only have one out of three or two out of three? What do you have and how is it different if you have a different two out of three? What’s interesting about this kind of theorizing is it gives rise to many different combinations that can be quite interesting when you break them down and start to look at them carefully.

But those two beverages aren’t the same.

This was made clear by the work of two sociologists, Richard Arum and Josipa Roksa.

The African-American group estimated that he earned about ＄37,000 a year and had a two-year college degree.

Studies have shown, for example, that two drugs are about equally effective in treating macular degeneration, an eye disease.

Shockingly, the two groups came up with plans of similar quality ( ' , although the college students had better spelling skills).

Per-capita local government spendingIn other words, communities with high levels of per-capita income growth, high percentages of two-parent families, and high local government spending—which may stand for good schools— are the most likely to help poor children relive Horatio Alger's rags-to-riches story.

It's not only the selective and elite institutions that provide those opportunities for a small subset of this population, Rubinoff said, adding that a majority of first-generation undergraduates tend toward options such as online programs, two-year colleges, and commuter state schools.

In physics, moving objects have two characteristics relevant to understanding the dynamics of energy systems: inertia and momentum.

Despite this problem, many students are still drawn to these institutions—and two-year schools in particular.

Chetty finds that communities like Salt Lake City, with high levels of two-parent families and religiosity, are much more likely to see poor children get ahead than communities like Atlanta, with high levels of racial and economic segregation.

And Brandston knows a thing or two about lighting, being the man who illuminated the Statue of Liberty.

A retired member of the Public and Commercial Services Union, she is setting up one of 1,100 action groups with the support of Climate Solidarity, a two-year environmental campaign aimed at trade unionists.

Act Two is similar except that the yellow cube is smaller.

They are wondering why Act Two is odd and how it differs from Act One

What is the difference between Act One and Act Two in the test?

"The project has two sides," says Xavier Serrat, Neurice project manager and researcher at the University of Barcelona,"the short-term fight against the snail, and a mid- to long-term fight against climate change.

"The two cases I'm familiar with didn't involve open data or code," he says.

After being dogged by technical delays for years, sir Richard Branson, virgin Galactic's founder, had recently suggested that a Spaceship Two craft would carry its first paying customers as soon as February 2015.

And Brandston knows a thing or two about lighting, being the man who illuminated the Statue of liberty.

and in a divided and unequal society the two ideals can clash outright.

And in today's program, we're looking at the results of two recently published surveys, which both deal with the same topic—happiness at work.

And over time, its members have learned a thing or two about responsibility.

Best Buy, for instance, has been bearing the lion's share of e-waste volume since two of its largest competitors, Amazon and Wal-mart, do not have their own recycling programs.

But in the end, one of two things is true.

But these waterways seem minute in comparison to the world's two lengthiest rivers—the Nile and the Amazon.

But when two H-bots became imperiled, the robot choked 42 percent of the time, unable to decide which to save and letting them both.

Chemical testing showed that over the two years before her death, she moved about every two months.

Current services originate in two key measures.

David Mallen, associate director of the Council of Better Business Bureau, said in the last two years the organization had seen an increase in the number of claims companies were bringing against each other for false or misleading environmental product cl

Denver and Ruby are two of the 34 therapy horses, brought in from a local farm.

Each featuring a different researcher, one of whom they'd met once two years earlier.

For a brief moment during that stage of its life cycle, the tongue consists of two tiny half-tubes before merging into one.

He and other scientists say there are basically two options to replacing fossil fuels: generating energy with renewables or embracing nuclear power.

However, the last such increase in temperature took place two years ago.

I don't think we know exactly what's going to happen but it's certainly possible that we could get very slow growth over the next year or two.

If you eat two eggs topped with a little bit of cheese and an orange on the side, you already have 22 grams of protein.

In 2018, farmers will plant the varieties with the most promise in the Ebro Delta and Europe's other two main rice-growing regions—along the Po in Italy, and France's Rhone.

In physics, moving objects have two characteristics relevant to understanding the dynamics of energy systems: inertia and momentum .

In the beginning of the movie I, Robot, a robot has to decide whom to save after two cars plunge into the water— Del Spooner or a child.

In the first study, three-year-olds watch two videos shown side by side.

In the past few years, Math Counts added two new middle school programs to try to diversify its participant pool—the National Math Club and the Math video Challenge.

In two cases, huge machines have been used to lift the buildings up to 30 centimeters into the air.

It was used during World War Two by the Americans.

Kate Ratliff, who studies social attitudes at the University of Florida, Gainesville, says that it can seem as if there are two camps in a field—those who care about open science and those who don't.

Kwanzaa is a cultural festival during which African- Americans celebrate and reflect upon their rich heritage as the products of two worlds.

Located on the Mediterranean just two hours south of Barcelona, the Ebro Delta produces 120 million kilograms of rice a year, making it one of the continent's most important rice-growing areas.

Machines also had difficulty adjusting for people who look a lot alike—either doppelgangers, whom the machine would have trouble identifying as two separate people, or the same person who appeared in different photos at different ages or in different ligh

Medical spending, which typically rises faster than wages and the overall economy, is propelled by two things: the high prices charged for medical services in this country and the volume of unnecessary care delivered by doctors and hospitals, which often

Megathrusts are created in earthquake zones-land plate boundaries where two plates converge.

In one example that demonstrated genetic differences were not fixed along racial lines, the full genomes of James Watson and Craig Venter, two famous American scientists of European ancestry, were compared to that of a Korean scientist, Seong-Jin Kim.

Now sort your list into two categories: positive emotions and negative emotions.

One or two would be assigned to a group of soldiers.

Part of the problem is that almost two decades after Amazon filed the one-click patent, the online retail shopping and buying experience is filled with frictions.

Participants in the study were separated into two groups—one group was asked to eat 30 grams of protein per meal in the form of whole foods.

Provided you have not cheated by consulting an atlas, you will notice something rather surprising— the two lists will contain roughly the same number of states, but they will not be identical.

Psychologists have documented children lying as early as the age of two.

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, Pennsylvania.

She beat the record by almost two hours, and her father rewarded her with a red sports car.

She decided that she was going to try to just use cash for two weeks to make all of her essential purchases and see what that would do to her spending.

She wrote that the two tongues combine to form one tube for drinking nectar.

Shockingly, the two groups came up with plans of similar quality although the college students had better spelling skills.

since 2010, the couple has helped 125 small dairy farms convert to grass-fed, with more than 80% of those farms coming on board during the last two years.

So Frankie in both real life and in the TV show lives in New York city, is a comic, is divorced, and has two little daughters.

So what I've done is I've taken Sternberg's three elements of love: intimacy, passion and commitment, and I've listed out the different kinds of relationships you would have if you had zero, one, two or three out of the three elements.

Staff from the Norwegian government have carried out conservation work on 10 of the churches over the past two years.

Steinberg and Gardner randomly assigned some participants to play alone or with two same-age peers looking on.

The action stems from a federal court order issued on Tuesday requiring Apple to help the Federal Bureau of Investigation to unlock an iPhone used by one of the two attackers who killed 14 people in San Bernardino, California, in December.

The big questions are which, if any, of the large traditional retailers will still be on the scene in a decade or two because they have successfully reinvented themselves, which new players will operate busy stores on Main Streets and maybe even in shoppi

The brains of teenagers, but not adults, showed greater activity in two regions associated with rewards when they were being observed by same-age peers than when alone.

The cumulative effect of these two factors is that many Americans are forced to take two or more part-time jobs just to make ends meet.

The Ebro Delta, in Spain, famous as a battleground during the Spanish civil War, is now the setting for a different contest, one that is pitting rice farmers against two enemies: the rice-eating giant apple snail, and rising sea levels.

The founder of two tech companies, Tesla Motors and SpaceX, is bringing electric vehicles to mass market and enabling humans to live on other planets.

The ham is covered in salt to dry and preserve it, and left hung for up to two years.

The partnership benefits both sides by allowing unconventional partners for example, two companies from two different industries to work together on a specific aspect of the value chain, like, in this example, an engine firm with an accessory one.

The U.S. is also the only advanced economy that does not guarantee workers paid vacation time, and it's one of only two countries in the world that does not offer guaranteed paid maternity leave.

They were surveyed about their diets during high school, and their eating habits were tracked for two decades.

This is more than twice the level of two decades ago.

Today's crisis in care for older people in England has two main causes.

Traffic has become synonymous with air pollution, and many countries intend to ban the sale of new petrol and diesel cars in the next two decades.

Twenty years ago, the Urban Land Institute defined the two types of cities that dominated the US landscape: smaller cities that operated around standard 9-5 business hours and large metropolitan areas that ran all 24 hours of the day.

Two or more satellites slamming into each other could create many more out-of-control bits that would pose even more hazards to the growing collection of satellites in space.

Two thirds of those people who are illiterate are women.

Two years before, a nationwide study of college graduates had shown that more than a third had made no significant gains in such mental abilities during their school years.

Volunteers read two passages, one about a man who led a life of leisure and another about a man who was over-worked and over-scheduled; when asked to determine which of the two had a higher social status, the majority of the participants said the latter.

While there is still much progress to be made, other countries could learn a thing or two from the example set by France and Italy.

柯林斯高阶英汉双解学习词典释义

NUM

(数字) 2

Two is the number 2.

PHRASE

一个巴掌拍不响;双方都有责任

If you say it takes two or it takes two to tango, you mean that a situation or argument involves two people and they are both therefore responsible for it.

例句

PHRASE

根据现有的信息推断

If you put two and two together, you work out the truth about something for yourself, by using the information that is available to you.

例句

英汉词典释义

n.

二;2

两个;一对

两元钞票

adj.

二的;两个的

下不了决心；踌躇不决

一两天(或一会儿、一两镑等)

恨不得；巴不得

(尤指跳舞或运动时)举止笨拙，笨手笨脚

很快；马上

一个巴掌拍不响；双方都有责任

事实如此；不可能有其他的看法

非常愚蠢；十分贫穷(等)

少数； 一两个

根据所见所闻推断；根据现有情况判断

手背向某人做出V 形手势(表示侮辱或生某人的气)

我同意；我也一样

(表示要进行报复)这一套你会我也会

人多力量大；两个人的智慧总比一个人强

看待事物的两种角度；同一事物的两面

两个错成不了一个对；冤冤相报永无完了

两人成伴，三人不欢

英英词典释义

Noun

1. the cardinal number that is the sum of one and one or a numeral representing this number

Adjective

1. being one more than one;

行业词典

体育： 双打队员；

土木工程： 双向板；two-way slab；双管制蒸汽热网；two-pipe steam heat-supply network；两向网架；two-way latticed grid；双曲拱桥；two-way curved arch bridge；两级管网系统；two-stage system；双向过闸；two-way transit；

大气科学： 双程衰减；two-way attenuation 波从发射源到目标物的路径上的衰减及由目标物回到接收器路径上的衰减之和。；

机械： 两相伺服电动机；two-phase servomo-tor 定子有两相绕组的交流伺服电动机。；两位控制器；two-step controller 具有两个离散输出值的控制器。；比色温度计；two-color ［radiation］ thermometer, ratio thermometer 检测两个不同有效波长光谱辐射亮度之比，实现温度测量的辐射温度计。；比色测温法；two-color thermometry 利用辐射体在两个不同波长光谱辐射亮度之比与温度之间的函数关系实现温度测量的方法。；

水产： 桁杆张网；stick swing net 网口装有上下桁杆的张网。；两片式拖网；panel trawl 网身由背、腹两片网衣构成的拖网。；竖杆张网；stick stow net 网口装有左右竖杆的张网。；

物理学： 二维电子气；two-dimensional electron gas；二能级系统；two-level system；二端网络；two-terminal network；双光子吸收；two-photon absorption；二流体描述；two-fluid description；双粒子格林函数；two-particle Green function；二体问题；two-body problem；双频激光器；two-frequency laser；双流不稳定性；two-stre；

电力： 两班制运行；two-shift cycling operation；两相接地故障；two-phase to earth fault；两相流；two-phase flow；二端口网络；two-port network；双绕组变压器；two-winding transformer；两相交混；two-phase mixing；两相运行；two-phase operation；