自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
ADVERB USES 副词用法
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.
The photographers drew back to let us view the body...
She stepped back from the door expectantly...
ADV 回到原处 If you go back somewhere, you return to where you were before.
I went back to bed...
I'm due back in London by late afternoon...
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.
The rail company said it expected services to get slowly back to normal...
Denise hopes to be back at work by the time her daughter is one...
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.
She handed the knife back...
Put it back in the freezer...
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.
They wrote back to me and they told me that I didn't have to do it...
If the phone rings say you'll call back after dinner...
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.
Can I come back to the question of policing once again?...
To come back to what I said in the Introduction, in the nineteenth century Spain was fully a part of Europe...
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.
Short skirts are back...
Consensus politics could easily come back into fashion.
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.
Keep back from the edge of the platform...
I'm a few miles back from the border...
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.
Her hair was tied back...
The curtains were held back by tassels.
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.
She lay back and stared at the ceiling...
She leaned back in her chair and smiled.
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.
Nick looked back over his shoulder and then stopped, frowning...
He called back to her.
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.
Meanwhile, back in London, Palace Pictures was collapsing...
Later, back at home, the telephone rang.
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.
The story starts back in 1950, when I was five...
I was in St. Lucia back in January of this year...
ADV 回想；回忆 If you think back to something that happened in the past, you remember it or try to remember it.
I thought back to the time in 1975 when my son was desperately ill...
My mind flew back to stories I had heard about Vinnie.
PHRASE 来回；往返 If someone moves back and forth, they repeatedly move in one direction and then in the opposite direction.
He paced back and forth...
Two boys were in the street, tossing a baseball back and forth.
NOUN AND ADJECTIVE USES 名词和形容词用法
N-COUNT 背（部）；后背；脊背 A person's or animal's back is the part of their body between their head and their legs that is on the opposite side to their chest and stomach.
Her son was lying peacefully on his back...
She turned her back to the audience...
N-COUNT 后面；后部 The back of something is the side or part of it that is towards the rear or farthest from the front. The back of something is normally not used or seen as much as the front.
...a room at the back of the shop...
She raised her hands to the back of her neck...
ADJ 后面的；后部的 Back is used to refer to the side or part of something that is towards the rear or farthest from the front.
He opened the back door...
Ann could remember sitting in the back seat of their car.
N-COUNT （椅子或沙发的）靠背 The back of a chair or sofa is the part that you lean against when you sit on it.
There was a neatly folded pink sweater on the back of the chair.
N-COUNT （纸、信封等的）反面，背面 The back of something such as a piece of paper or an envelope is the side which is less important.
Send your answers on the back of a postcard.
N-COUNT （书等的）末尾 The back of a book is the part nearest the end, where you can find the index or the notes, for example.
...the index at the back of the book...
You've given a whole list of names and addresses at the back.
N-SING （用于round the back, out the back等表达方式中）房屋（或其他建筑物）后的区域 You can use back in expressions such as round the back and out the back to refer generally to the area behind a house or other building.
He had chickens and things round the back...
The privy's out the back.
N-UNCOUNT （用于out back等表达方式中）房屋（或其他建筑物）后的区域；（用于in back等表达方式中）汽车（或建筑物等）的后部 You use back in expressions such as out back to refer to the area behind a house or other building. You also use in back to refer to the rear part of something, especially a car or building.
Dan informed her that he would be out back on the patio cleaning his shoes...
Catlett got behind the wheel and I sat in back...
N-COUNT （足球、曲棍球等运动中的）后卫 In team games such as football and hockey, a back is a player who is concerned mainly with preventing the other team from scoring goals, rather than scoring goals for their own team.
N-COUNT （美式橄榄球运动中的）进攻后卫 In American football, a back is a player who stands behind the front line, runs with the ball and attacks rather than defends.
PHRASE 背着（某人） If you say that something was done behind someone's back, you disapprove of it because it was done without them knowing about it, in an unfair or dishonest way.
You eat her food, enjoy her hospitality and then criticize her behind her back.
PHRASE 完成…最困难的部分 If you break the back of a task or problem, you do the most difficult part of what is necessary to complete the task or solve the problem.
It seems at least that we've broken the back of inflation in this country...
We can deliver supplies and work to break the back of the famine.
PHRASE 接连地；连续地 If two or more things are done back to back, one follows immediately after the other without any interruption.
...two half-hour shows, which will be screened back to back.
PHRASE （衣服）前后穿反；（顺序）前后颠倒 If you are wearing something back to front, you are wearing it with the back of it at the front of your body. If you do something back to front, you do it the wrong way around, starting with the part that should come last.
He wears his baseball cap back to front...
The picture was printed back to front.
PHRASE 不再（对某人）批评（或施压等） If you tell someone to get off your back you are telling them angrily to stop criticizing you or putting pressure on you.
He kept on at me to such an extent that occasionally I wished he would get off my back.
PHRASE 紧跟着；紧接着 If you say that one thing happens on the back of another thing, you mean that it happens after that other thing and in addition to it.
The cuts, if approved, come on the back of a difficult eight years that have seen three London fire stations closed.
PHRASE （使）受到威胁；（使）处于不利地位 If someone is on the back foot, or if something puts them on the back foot, they feel threatened and act defensively.
From now on Labour will be on the back foot on the subject of welfare.
...another scheme designed purely to put the Scots Nationalists on the back foot.
PHRASE 互相帮助；与人方便，与己方便 People say 'You scratch my back and I'll scratch yours' to mean that one person helps another on condition that the second person helps them in return.
PHRASE 希望（某人）离开 If you say that you will be glad to see the back of someone, you mean that you want them to leave.
I was so badly behaved I was convinced she would be glad to see the back of me.
PHRASE 忽略；背弃；拒绝；对…不予理睬 If you turn your back on someone or something, you ignore them, leave them, or reject them.
Stacey Lattisaw has turned her back on her singing career with Motown Records to become a gospel singer...
Gunnell is not the sort to turn her back on someone who has coached her for 12 years.
PHRASE 使生气；触怒；惹恼 If someone or something puts your back up or gets your back up, they annoy you.
Some food labelling practices really get my back up.
VERB USES 动词用法
VERB 背对；背向；背朝 If a building backs onto something, the back of it faces in the direction of that thing or touches the edge of that thing.
We live in a ground floor flat which backs onto a busy street...
His garden backs onto a school.
V-ERG 倒（车）；倒退 When you back a car or other vehicle somewhere or when it backs somewhere, it moves backwards.
He backed his car out of the drive...
The train backed out of Adelaide Yard on to the Dublin-Belfast line...
VERB 支持；资助 If you back a person or a course of action, you support them, for example by voting for them or giving them money.
There is a new witness to back his claim that he is a victim of mistaken identity.
...if France cannot persuade all five permanent members of the Security Council to back the plan...
VERB 预测…获胜；（通常指）下赌注于 If you back a particular person, team, or horse in a competition, you predict that they will win, and usually you bet money that they will win.
Roland Nilsson last night backed Sheffield Wednesday to win the UEFA Cup...
The horse's owner Mr Hitchins backed him at 200-1 to finish in the first three...
VERB 为…伴奏（或伴唱） If a singer is backed by a band or by other singers, they provide the musical background for the singer.
She was backed by acoustic guitar, bass and congas.