v.弄脏( black的过去式和过去分词 )，使变黑，抵制，把黑油彩抹在（演员）脸上...

put back的音标：put back的英式发音音标为：[put bæk]put back的美式发音音标为：[pʊt bæk]...

Various backwoodsmen and farmers and jurors actually sniffed and sneered.许多林区居民、农民、陪审员简直在嗤笑、冷笑了....

acknowledge的反义词有：ignore, disregard, deny, ignore, disapprove, disregard, contradict, deny。vt.acknowledge的反义词（承认）：ignore, disregard, deny。acknowledge的反义词（其他释义）：ignore, disapprove, disregard, contradict, deny。...

background的近义词/同义词有：knowledge, training, experience, practice, experience, habitat, training, accompanying, blood, nationality, practice, surroundings, setting, resource, accompaniment, scenery, knowledge。n.background的近义...

package的近义词/同义词有：bale, pack, container, carton, packet, crate, receptacle, box, bundle, parcel, case, amalgamation, unit, combine, entity。n.package的近义词（包裹,包,捆;包装用物）：bale, pack, container, carton, packet, crate, receptacl...

backrest的复数形式为：backrests...

backfired的音标：...

vi.走原路，由原路返回，改变主意，取消诺言vt.追踪，循迹调查...

back的反义词有：fore, front, forth, fore, face, forth, front。adv.back的反义词（向后;后退地）：fore, front, forth。back的反义词（其他释义）：fore, face, forth, front。...

Dave was in a hurry to get back to work.戴夫急于回到工作岗位。"Now then," Max said, "to get back to the point."“好吧”，马克斯说，“回到正题上来。”"Oh," he said carelessly. "I'm in no hurry to get back."“噢，”他漫不经心地说道，“我不急着回去。”...

backward的反义词有：forward, ahead, onward, ahead, forward, precocious。adv.backward的反义词（向后;倒）：forward, ahead。backward的反义词（其他释义）：onward, ahead, forward, precocious。...

回洗...

pack的近义词/同义词有：fill, load, stuff, box, stow, cram, shoulder, box, cram, packet, load, stuff, package, corps, mob, fill, gang, horde, parcel, baggage, stow, butcher, pocket。vt.pack的近义词（装;填;塞）：fill, load, stuff, box, stow, ...

lack的近义词/同义词有：short, require, need, want, fall, shortage, deprivation, drought, require, absence, famine, scarcity, starvation, dearth, defection, want, poverty, need。vt.lack的近义词（缺乏）：short, require, need, want, fall。lack...

Whether loose in a teapot or placed in an infuser , leaves should never be packed.不管是用茶壶还是冲茶器,茶叶都不能过量.She packed her son off to school and then went out herself.她把儿子打发到学校, 然后自己出去了。He was packed off to school in Nova Scot...

knacker的现在完成时为：knackered...

Though his background was modest, it was in no sense deprived.尽管他家境一般，但也并不算贫穷。I kept hearing the sound of applause in the background.我不断听到隐约的鼓掌声。In the background, dressed in pale green, stood Eunice.尤妮斯穿着浅绿色的衣服站在后面不起眼的地...

acknowledge的音标：acknowledge的英式发音音标为：[ək'nɒlɪdʒ]acknowledge的美式发音音标为：[ək'nɑlɪdʒ]...

You can always fall back on him when you are in difficulties.你碰到困难时总是可以求助于他.Doctors sometimes fall back on old cures.有时医生们求助于老的疗法.When necessary, instinct is the most reliable resource you can fall back on.必要时，最保险的办法就是凭直...

A new backfire antenna fed by a bifilar backfire belix is described in this Paper.本文提出一种用双线背射螺旋作馈源的新式背射天线.The President's tactics could backfire...总统的策略可能会适得其反。A victory for Mr Bush and the internationalists could e...

She was a prime target for blackmail, don't you see?她是敲诈的主要目标。你难道看不出来吗？The tactics employed can range from overt bullying to subtle emotional blackmail.从公然威吓到微妙的情感胁迫，各种战术都用上了。That was a terrible case of blackmail in...

n.（由船等运动引起的）反流，喷流，反响，回流...

jackknife的一般过去时为：jackknifed...

I have tried to pack a good deal into a few words.我尽量言简意赅。It shows a fox being disembowelled by a pack of hounds.画面中一只狐狸正被一群猎狗撕咬得肠子外流。Pack the fruits and nuts into the jars and cover with brandy.把水果和坚果放进罐子里，用白兰地酒浸泡。...

The performance of backhoe loader can reach the advanced international level.反铲挖掘装置作业性能也可达到同类产品的国际先进水平.In the initial stage, backhoe and other equipment were used for the soft ground condition.初期土质松软,可以使用在尾部装有挖坑刀之挖土机和其他设...

stack的近义词/同义词有：heap, load, pile, sea, mass, mound, heap, load, plenty, pile, ocean。n.stack的近义词（堆积）：heap, load, pile。stack的近义词（其他释义）：sea, mass, mound, heap, load, plenty, pile, ocean。...

fiddleback的音标：fiddleback的英式发音音标为：['fɪdlbæk]fiddleback的美式发音音标为：['fɪdəlˌbæk]...

北美落叶松...

v.承认( acknowledge的现在分词 )，鸣谢，对…打招呼，告知已收到...