backache
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COVER BACK 覆盖背面 5
[VN]〜sth (with sth) [usually passive]
to
cover the back of sth in order to support or protect it (用某物）在…背后加固，给…加背衬
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BE BEHIND 茁爵'面 6 [VN] [usually passive](阶£) to
be
located behind sth The house is
backed by fields.房子的后面是田野。
IT»!?1
.back thfe wrong 'horse (6/-E) to support
sb/sth that is not successful下错赌注（支持了失败的一方或
事情）_: QTE19 ,back a'way (from sb/sth)
to
move away backwards from sb/sth that is frightening or unpleasant; to avoid
doing sth that is unpleasant 躲避 (可怕或讨厌的人或事物）；避免（做讨庆的事）；退避 .back 'down (on/from sth) [NAmE also .back off)
to
take back a demand, an opinion, etc. that other people are strongly opposed to;
to admit defeat 放弃（别人强 烈反对的要求、主张等）；认输：S/iere_Aisedtobadc
down on a point 〇/ princfpie.她在一个原则问题上拒绝
让步0 ,back 'off 1 to move backwards in
order to get away from sb/sth frightening or unpleasant 退缩，退却
(以躲避可怕或讨厌的人或事物）：As the riotpoZice
approached the‘crowd backed 〇尼防暴警察靠近，人群
喊往后退却。2 to stop threatening, criticizing or
annoying sb停止威胁（或批评、骚扰>:Back 〇#/ There’s no need to yeH at me.走开点！没必要对我大喊
大叫。'◊ The press have agreed to bacfc
oJ^andZeave the coup〖e aZone.新闻界同意退让，不再搅扰这対夫妇。
.back 'off (from sth) to choose not to take
action, in order to avoid a difficult situation 放弃 _(采敢行动广； 退让：The government backed off from a confrontation. 政府放弃对坑。，back ’onto sth (8r£) (of a building .建筑物）to have sth directly
behind it 背向；背靠：Our house baefcs onto the river•我们的房子背向河流。，back 'out (of sth) to decide that you are
no longer going to take part in sth that has been agreed 退出；撒举：He lost confidence and backed out of the deal at the
last mirmte.他失去了信心，在最后一刻退出了协议。.back 'up I .back sth^'up to move backwards,
especially in a vehicle 后退；倒（车'）：Ybu can bade up another two /eet or so•你可以再退两英尺左右。，◊ J backed the
car up to t/ie door.我把未倒到门前。.back sb/sthwup 1 to
support sb/sth; to say that what sb says, etc. is true 支#;证实（政人所言）：HZ bade you up i/ they
don’t bdieve you•如果他们不相信你，義会为奋作证。◊ The writer doesn't back up his opinions with examples, 者不用实例印证他的看法。2 to provide support
for sb/sth 支持；支援：two doctors baefced up
by a team 〇/ nurses由一组护士辅助的两名医生◊ 77ie rebe[ backed up thei’r demands vWt/i threats.反叛者以恐吓手段要挟。
—related
noun backup(I) .back sth<-»'up (computing it) to prepare a
second copy of a file, program, etc. that can be used if the main one fails or
needs extra support 给（文件、程序等）做备份；备份一related noun backup(2)
WHICH WORD?词语辨析
at the back ♦ at the rear ♦ behind At the back and at the rear have a similar meaning, but at the rear is used more in formal or official
language. * at the back 和 at
the rear 同义，、但 at
the rear _ 多用于正式或官方语言.：f/wf of bflc/c 〇/ fhe/r/d识？冰箱尽里^那东西是什么？ ◊ 5mo/r/>?g k on/y
<7//oive£/ of 汍e reor 〇/ fl/rcra/t.只有飞机后舱允 许—烟。It is more usual
to.talk about the back door of a house but the rear exit of an aircraft or
public building. If something is behind something else it is
near to the back of it but not part of it.指房子的后门
较常用backdoor,但飞机或公共建筑的后门较常用 rear exit。behind指在后面，但不是其中的部分。
Compare
比较：Owr room vwjs flf fcflc/c 〇/ /wfe/.
我们的房间在旅馆靠后面的地方。and和here’s /ove/y woodywsf owr hoft?/.在我们旅馆的后面就
有一片美丽的树林。