back

英[bæk]美[bæk]

adv.向后，在后面，回到原处，恢复原状，回到以前的地方，回复，取回，追溯至，再次，离开；

n.背部，脊柱，后面，背面，靠背，末尾，后卫；

adj.后面的，过去的，拖欠的，舌根的；

v.资助，支持，（使）后退，下赌注，伴奏，伴唱，在…后面，给…加背衬；

复数：backs;

第三人称单数：backs;

过去式：backed;

过去分词：backed;

现在分词：backing;

例句

He caught up the ball as it rolled along and threw it back.他一把抱起滚过来的球, 把它扔了回去。

The issue has been lingering at the back of my mind for a long time.长期以来这个问题一直在我的脑海里萦绕。

The people are at the back of the reformers.人民支持改革家。

There is a lot of useful information at the back of this dictionary.这本词典的后面附有很多有用的资料。

There used to be a big and beautiful garden at the back of their house.以前在他们房子的后方是一个美丽的大花园。

The team has won back the trophy.这个队又重捧金杯。

She has managed to win him back.她终于重新获得了他的爱。

The history of the town dates back to the Middle Ages.这个城镇的历史可回溯到中世纪。

The castle dates back to the 14th century.该城堡建于14世纪。

I'll ring you back in about half an hour.我大约在半小时后给你回电话。

英语六级真题

They could buy unique souvenirs there to take back home.

The reasoning behind this saying is that low oil prices discourage investment in new production capacity, eventually shifting the oil supply curve backward and bringing prices back up as existing oil fields—which can be tapped at relatively low marginal cost—are depleted.

The company pledged to cut 600 back-office positions, though some 150 workers in those roles would be reassigned to other jobs.

It is backed by a campus spending analysis.

Yet there are doubts whether people watching television, a lean back medium, crave interaction.

With the launch of interactive advertising, many of the dollars that went to the Internet will come back to the TV, says David Kline of Cablevision.

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.

So what you need to know is that there's no evidence whatsoever to back these claims.

Right into the early 20th century, kitchens were smoky, noisy places, generally located underground, or to the back of the house, and as far from living space as possible.

Many contemporary ideas about kitchen design can be traced back to another American, Christine Frederick, who set about enhancing the efficiency of the housewife.

Today's battery breakthroughs come as the world looks to expand modern energy access to the billion or so people without it, while also cutting back on fuels that warm the planet.

There's a lot for students to complain about: the repayment threshold for paying back loans will be frozen for five years, meaning that lower-paid graduates have to start repaying their loans; and maintenance grants have been replaced by loans, meaning that students from poorer backgrounds face higher debt than those with wealthier parents.

If going to university doesn't work out, students pay very little--if any--of their tuition fees back: you only start repaying when you are earning ￡21,000 a year.

When investors put up money to build, say, a nuclear power plant, they expect to earn that money back over the planned life of the plant, which is typically between 40 and 60 years.

The union backing it makes members think there must be something in it.

By sanctioning this watered-down version of college, universities are catering to the social and educational needs of wealthy students at the expense of others who won't enjoy the financial backing or social connections of richer students once they graduate.

"Our philosophy with the island has always been, ‘OK, remove the threats and let the island go back to what it was, '" says ecologist Christina Boser.

And by the time I come back to it, it may have changed.

But less than a month before hand, inspectors found significant problems with the fire safety system and push the opening back again to 2013.

But that won't stop inventors from dreaming up new ways to fly and trying to persuade investors to back their sometimes outrageous schemes.

By offering instant discounts worth as much as $100, DeWalt launched a trade-in program to encourage people to bring back tools.

Dating from as far back as the 12th century, they are claimed to be the rarest historic buildings in western Europe.

fighting back the tears, he spoke proudly of the fact that he had built their home from the ground up, and that he had pounded every nail and laid every brick in the process.

He's cut back on medications and he no longer helps support his disabled mother.

I explained to my student that I actually thought he was rather more confused than I was, and I argued back.

If going to university doesn't work out, students pay very little—if any—of their tuition fees back: you only start repaying when you are earning £21,000 a year.

If you try to push a boulder, it pushes you back.

I'll let you get back to class now.

In the images, you see all kinds of possible defense constructions to hold back the Romans, Germans, Vikings, and now nature as enemy number one.

In the US, studies have shown that doubling the size of a road can simply double the traffic, taking us back to the starting point.

International interest in the therapeutic qualities of the Mediterranean diet began back in the late 1950s, when medical researchers started to link the occurrence of heart disease with diet.

It actually dates back to at least 1701.

It involved skiing with his legs apart for better balance and sitting back on the skis when he came to a turn.

Leadership of the planning corporation has changed hands nearly as many times as the opening date has been pushed back.

Looking back now, nine years later, I can't remember exactly what it was about these universities that made them seem so much better.

Native plants are coming back, and the fox once again bound about carefree.

Once the interviewers have been briefed, I send the client a schedule and then they get back to me with deadlines.

People at the back kept calling out "We can't hear."

right into the early 20th century, kitchens were smoky, noisy places, generally located underground, or to the back of the house, and as far from living space as possible.

since 2013, global scientific bodies have begun to back policies that support increased public access to research.

The carbon that we've put into the atmosphere keeps having a warming effect for 100 years, so we have to cut back rapidly now, because it would take a long time to work its way through into a response by the atmosphere.

The liquid is maintained above its melting point until steam is required, at which point the liquid is allowed to turn back into a solid, releasing its stored energy.

The reasoning behind this saying is that low oil prices discourage investment in new production capacity, eventually shifting the oil supply curve backward and bringing prices back up as existing oil fields—which can be tapped at relatively low marginal c

The sun was considerably less bright back then, so Venus was arguably a cozier habitat for life than earth.

The very lack of a recovery period is dramatically holding back our collective ability to be resilient and successful.

Their world was so different back when they were young.

These pieces have been put back together with great care, and display a variety of images.

They all wanted to turn around and go home! You know, back to teabags and fish and chips.

This is the story of the little fox that has come back, and the people who have dedicated their lives to protecting it.

"I'm a fashionable person, so now I'm back in my 3-inch heels, " she says.

To her, it meant moving confidently around the court room, using convincing body language, and projecting her voice so it could be heard from the judge's bench to the back door.

To recover the energy, the gas is fed back over the calcium oxide.

Today's battery breakthroughs come as the world looks to expand modern energy access to the billion or so people without it, while also cutting back on fuels that warm the planet.

What has become obvious to me when it comes to the income gap is that there needs to be an opportunity for the people at the bottom to push them back up and push them into the middle class to give them hope in their lives.

When customers do want to toss their pair, they can give them back to the store, which will repurpose and resell them.

with the launch of interactive advertising, "many of the dollars that went to the Internet will come back to the TV," says David Kline of Cablevision.

Yet there are doubts whether people watching television, a "lean back" medium, crave interaction.

柯林斯高阶英汉双解学习词典释义

ADV

向后；往后；往回

If you move back, you move in the opposite direction to the one in which you are facing or in which you were moving before.

例句

ADV

回到原处

If you go back somewhere, you return to where you were before.

例句

ADV

恢复原状；回到原来的状态

If someone or something is back in a particular state, they were in that state before and are now in it again.

例句

ADV

归还；交还；放回；收回

If you give or put something back, you return it to the person who had it or to the place where it was before you took it. If you get or take something back, you then have it again after not having it for a while.

例句

ADV

（将钟表）拨回

If you put a clock or watch back, you change the time shown on it so that it shows an earlier time, for example when the time changes to winter time or standard time.

ADV

回应（来信、电话、目光等）

If you write or call back, you write to or telephone someone after they have written to or telephoned you. If you look back at someone, you look at them after they have started looking at you.

例句

ADV

回到（某个话题）

You can say that you go or come back to a particular point in a conversation to show that you are mentioning or discussing it again.

例句

ADV

再次流行；再度成为潮流

If something is or comes back, it is fashionable again after it has been unfashionable for some time.

例句

ADV

在一段距离之外

If someone or something is kept or situated back from a place, they are at a distance away from it.

例句

ADV

收拢；拢起；束起

If something is held or tied back, it is held or tied so that it does not hang loosely over something.

例句

ADV

（舒适地）向后仰

If you lie or sit back, you move your body backwards into a relaxed sloping or flat position, with your head and body resting on something.

例句

ADV

回头，转身（看或喊）

If you look or shout back at someone or something, you turn to look or shout at them when they are behind you.

例句

ADV

（表示描述场所的转换）在曾提到过的地方

You use back in expressions like back in London or back at the house when you are giving an account, to show that you are going to start talking about what happened or was happening in the place you mention.

例句

ADV

以前；过去；追溯至

If you talk about something that happened back in the past or several years back, you are emphasizing that it happened quite a long time ago.

例句

ADV

回想；回忆

If you think back to something that happened in the past, you remember it or try to remember it.

例句

PHRASE

来回；往返

If someone moves back and forth, they repeatedly move in one direction and then in the opposite direction.

例句

英汉词典释义

n.

背, 背部

后部, 后面

背面, 反面

脊柱；脊梁骨

（文件等的）背面

书等的）*后几页，末尾

（椅子等的）靠背

（家具）…靠背的

（足球、曲棍球等）后卫

(染色、酿造、蒸馏等用的)(大)桶，(大)盆；缸；槽

(用绳索等牵拉的)宽体渡船

vt. & vi.

(使)后退, (使)倒退

vt.

作…的衬里

支持

(用证据或理论来)证实(一种理论或主张)

下赌注于；打赌

位于…后面；作(或构成)…的背景

为(歌手)(提供)伴奏(常与up连用)

adj.

后边的, 背后的

以前的, 过去的

到期未付的；拖欠的

旧的，过期的，过时的；

向后(动)的，反向的，倒退的，逆的；回程的

adv.

还, 回, 往后退

向后面, 后仰着

回原处, 恢复原状

从前, 回到(从前)

与（某物）有距离

控制住；忍住

在曾去过（或提到过）的地方；在前面

回报；回答

vi.

伴奏；伴唱

（用某物）在…背后加固

位于（某物）的后面

（使）后退，倒退

下赌注于（赛马、参赛队伍等）

英英词典释义

Noun

1. the posterior part of a human (or animal) body from the neck to the end of the spine;

2. the side that goes last or is not normally seen;

3. the part of something that is furthest from the normal viewer;

4. (football) a person who plays in the backfield

5. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord;

6. the front and back covering of a book;

7. the part of a garment that covers your back;

8. a support that you can lean against while sitting;

9. the position of a player on a football team who is stationed behind the line of scrimmage

Verb

1. be behind; approve of;

2. travel backward;

3. give support or one's approval to;

4. cause to travel backward;

5. support financial backing for;

6. be in back of;

7. place a bet on;

8. shift to a counterclockwise direction;

9. establish as valid or genuine;

10. strengthen by providing with a back or backing

Adjective

1. related to or located at the back;

2. located at or near the back of an animal;

3. of an earlier date;

Adverb

1. in or to or toward a former location;

2. at or to or toward the back or rear;

3. in or to or toward an original condition;

4. in or to or toward a past time;

5. in answer;

6. in repayment or retaliation;

行业词典

体育： 后卫；

医学： 背，背部：躯干从颈至骨盆的后部；

土木工程： 回填： back-filling；

电力： 背靠背换流站： back-to-back converter substation；背靠背启动： back-to-back starting 又称“同步对拖启动”。；背压式汽轮机： back-pressure turbine；逆火： back-fire；背压调节器： back-pressure regulator；

药学： 背；躯体后面，颈以下、腰以上的部位。；

解剖学： 背， 又称 :背(Dorsum（拉）)， 又称：背(Dorsum（拉）)；