back

音標發(fā)音

• 英式音標 [b?k]
• 美式音標 [b?k]
• 英式發(fā)音
• 美式發(fā)音

基本解釋

• n. 背部；脊梁骨；后部；背面；末尾；（椅子）靠背；后衛(wèi)；船體；（飛機）機身；（人的）軀干；
• adj. 后面的；背后的；過去的；拖欠的；舌后的
• adv. 向后地；向后仰地；在背面；有距離地；忍住地；回原處；以前地；在前面地；回報；落后地；恢復正常；再度流行；
• v. （使）后退，倒退；支持；下賭注；贊成；增援；伴奏；附帶收錄進……；逆時針轉(zhuǎn)向；收帆；背對著；在……背后加固；位于……的后面
• n. (Back) （美）巴克（人名）

同根派生

• adj性質(zhì)的同根詞

  backward：向后的；反向的；發(fā)展遲緩的。

  backed：有背的；有財力支持的。

  backless：無背的；無靠背的；無后盾的。

  backmost：最后面的。

• adv性質(zhì)的同根詞

  backward：向后地；相反地。

• n性質(zhì)的同根詞

  backing：支持；后退；支持者；襯背。

  backer：支持者；贊助人；援助者。

  backwardness：落后；遲疑；畏縮；靦腆。

• v性質(zhì)的同根詞

  backing：支持（back的ing形式）。

  backed：支持；使后退（back的過去分詞）。

• back相關(guān)詞

用法辨析

n. (名詞)

• back用作名詞的基本意思是表示人的“背；背部”和表示某物的“后面；后部”。引申可作“椅背”“后襟”等解。用于球類運動則指“后衛(wèi)”。
• back作“后面”“背面”“反面”解時用單數(shù)形式,其前須加定冠詞the。在表示較近的“后面,背面”時用on the back of；在表示較遠的“后面”時用at the back of(范圍之外)或in the back of(范圍之內(nèi))，在美式英語中at〔in〕可省略。

v. (動詞)

• back的基本意思是“(使)后退”,指某人或某物回到原來的位置或狀態(tài)。有時引申可表示“支持”,即“作后盾”。
• back可用作及物動詞或不及物動詞,用作及物動詞時接名詞或代詞作簡單賓語。

adj. (形容詞)

• back表示位置或方向時意思是“后面的,往后的”。也可表示時間作“過去的,過期的”“遲交的,欠交的”解,在句中只用作定語。
• back在語音學中也可作“后元音的”解。
• back在句中只用作定語,不用于比較等級。

adv. (副詞)

• back用作副詞的基本意思是“往后,在后面”,也可引申表示“忍住”“恢復”或“上溯”。
• back常修飾動態(tài)動詞(如不及物動詞go, come, get,及物動詞bring, get, take等),在句中作狀語,也可用作表語。
• back和be連用可引申表示“恢復”; back和beat, hit, fight等動詞連用可表示“打退”。
• back作“來回；向后”解時一般不與turn連用。

• back使用方法
• back詳細辨析

英漢例句

用作名詞 (n.)

• There used to be a big and beautiful garden at the back of their house.
  以前在他們房子的后方是一個大花園。

用作動詞 (v.)

用作不及物動詞: S+～(+A)

• The horse backed suddenly.
  馬突然向后倒退。

用作及物動詞: S+～+ n./pron.

• I hope you will back my thought.
  我希望你能支持我的想法。

用作形容詞 (adj.)

用作定語: ～+ n.

• On the back wall there is a map of China.
  后墻上有一幅中國地圖。

用作副詞 (adv.)

用作狀語

• The crowd fell back to let the fire engine through.
  人群向后退去,以便給消防車讓路。

用作表語

• He will be back before the month is out.
  他將在月底前回來。

用作賓語補足語

• That smell of freshly baked bread carries me back!
  新烤面包的氣味使我憶起往事!

• back更多例句

詞組短語

用作名詞 (n.)

動詞+～

• break one 's back 拼命干,盡最大努力
• break the back of sth 完成某事最艱難的部分
• get sb 's back up 觸怒某人
• get off sb 's back 不再找某人的麻煩
• give sb one 's back 不理睬某人

• back更多詞組

英英字典

劍橋英英字典

• (RETURN) in, into, or towards a previous place or condition, or an earlier time
• (FURTHER AWAY) further away in distance
• (FURTHEST PART) the inside or outside part of an object, vehicle, building, etc. that is furthest from the front
• (BODY PART) the part of your body that is opposite to the front, from your shoulders to your bottom
• (SPORT) (in some sports, such as football) one of the players in a team who try to stop players from the other team from scoring goals, rather than trying to score goals himself or herself
• (SUPPORT) to give support to someone or something with money or words
• (RISK MONEY) to risk money by saying that you think a horse, team, etc. will win a race, game, or competition in order to win more money if they do
• (MOVE AWAY) to (cause to) move backwards
• (COVER) to cover the back of something with a material, often to make it stronger or thicker
• (POSITION) at or near the back of something
• (PAID LATER) paid after the end of a period of time when it should have been paid

柯林斯英英字典

• 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.
• If you go back somewhere, you return to where you were before.
• If someone or something is back in a particular state, they were in that state before and are now in it again.
• 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.
• in reply, repayment, or retaliation
• 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 standard time.
• 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.
• 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.
• If something is or comes back, it is fashionable again after it has been unfashionable for some time.
• If someone or something is kept or situated back from a place, they are at a distance away from it.
• If something is held or tied back, it is held or tied so that it does not hang loosely over something.
• If you lie or sit back, you move your body backward into a relaxed sloping or flat position, with your head and body resting on something.
• If you look or shout back at someone or something, you turn to look or shout at them when they are behind you.
• You use back in expressions like back in Chicago 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.
• 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.
• If you think back to something that happened in the past, you remember it or try to remember it.
• If someone moves back and forth, they repeatedly move in one direction and then in the opposite direction.
• to cast your mind back&rarrsee mind
• 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.
• The back of something is the side or part of it that is toward the rear or farthest from the front. The back of something is normally not used or seen as much as the front.
• Back is used to refer to the side or part of something that is toward the rear or farthest from the front.
• (of a road) not direct
• The back of a chair or sofa is the part that you lean against when you sit on it.
• The back of something such as a piece of paper or an envelope is the side that is less important.
• The back of a book is the part nearest the end, where you can find the index or the notes, for example.
• a mainly defensive player behind a forward
• the position of such a player
• You use 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.
• 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.
• If two or more things are done back to back, one follows immediately after the other without any interruption.
• &rarrsee also back-to-back
• 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.
• to take a back seat&rarrsee seat
• If a building backs onto something, the back of it faces in the direction of that thing or touches the edge of that thing.
• When you back a car or other vehicle somewhere or when it backs somewhere, it moves backward.
• If you back a person or a course of action, you support them, for example, by voting for them or giving them money.
• 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.
• If a singer is backed by a band or by other singers, they provide the musical background for the singer.

• back劍橋字典
• back柯林斯字典

專業(yè)釋義

醫(yī)藥科學

• 背

交通運輸工程

• (船的)龍骨
• (風)逆時針轉(zhuǎn)向[與 veer 相反]：
• (推進器葉、螺旋槳葉等的)葉背；上表面(與 face 相反)
• 反向的(= reciprocal)
• 背面

機械工程

• 后面
• 底座
• （車刀）后刃面

語言學

• 舌后的，舌根的，后(元音)的(如 cool 中的 ／u:／，如 go 中的兩個音)

體育

• (十八穴高爾夫球場的)后九穴的
• 后撤(防守性)擊球的
• 后衛(wèi)

地球科學

• 巷道頂板
• 回灌井

物理學

• 反的

航空、航天科學技術(shù)

• (推進器葉、螺旋槳葉等的)葉背；上表面(與 face 相反)
• 機身上部

計算機科學技術(shù)

• 返回
• 背面

電子、通信與自動控制技術(shù)

• 背面

生物學

• 反面
• 反