n.中间动轴...

v.回[逆]交，回交杂种( backcross的现在分词 )...

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...

The wood had been recently polished to bring back the shine.木头最近经过抛光又恢复了光泽。It's now unlikely that future parliaments will bring back the death penalty.现在看来，将来议会不太可能恢复死刑。She went to Paris to bring back her errant son...

sack的复数形式为：sacks...

backspin的音标：backspin的英式发音音标为：['bækspɪn]backspin的美式发音音标为：['bækˌspɪn]...

n.瓷漆，漆，大漆...

Why do intelligent people find quack remedies so appealing?为什么聪明人会被江湖医术所吸引？Suddenly he heard a quack.他突然听见一声嘎嘎的叫声。He describes himself as a doctor, but I feel he is a quack.他自称是医生, 可是我感觉他是个江湖骗子....

backpedaling的音标：...

backfilled的音标：...

backrun的音标：backrun的英式发音音标为：['bækrən]backrun的美式发音音标为：['bækrən]...

vt.& vi.从（包裹等）中取出（所装的东西），打开行李取出vt.拆包，解除…的负担，吐露（心事等），卸下（车、马等）的负荷物...

fishback的音标：fishback的英式发音音标为：['fɪʃbæk]fishback的美式发音音标为：['fɪʃbæk]...

n.后座议员...

hardhack的音标：hardhack的英式发音音标为：['hɑ:dhæk]hardhack的美式发音音标为：['hɑdˌhæk]...

n.蟑螂...

backslap的现在完成时为：backslapped...

jackdrill的音标：jackdrill的英式发音音标为：[d'ʒækdrɪl]jackdrill的美式发音音标为：[d'ʒækdrɪl]...

backgear的音标：backgear的英式发音音标为：['bækdʒeər]backgear的美式发音音标为：['bækdʒer]...

I think it's wrong to smack children.我觉得打孩子不对。There it was, smack in the middle of the room.你看, 它就在房间的正中央。He was being cheeky, so I gave him a smack on the jaw.他太无礼了, 所以我一拳打在他的下巴上。响吻Avowal. Sonnez. I could . Rebound...

blackballs的音标：...

go back as far as的音标：go back as far as的英式发音音标为：[ɡəu bæk æz fɑ: æz]go back as far as的美式发音音标为：[ɡo bæk æz fɑr æz]...

quacks的音标：...

backhander的音标：backhander的英式发音音标为：['bækhændə(r)]backhander的美式发音音标为：['bækhændər]...

slack的现在完成时为：slacked...

There is a backlog of repairs and maintenance in schools.对各学校的修缮和维护工作积压了一堆。We are faced with a backlog of orders we can’t deal with.我们面对一大堆未交付的订单。(在英国指担心订货积压不易脱手，又“无奈”意；在美国指生意兴隆，有“踌躇满志”意)Investment is needed to reduce th...

backstairs的音标：backstairs的英式发音音标为：['bæksteəz]backstairs的美式发音音标为：['bæksterz]...

Their range of tableware is decorated with a blackberry design.他们的整套餐具上都饰有黑莓图案。blackberry and apple pie黑莓苹果馅饼He'd never drunk any wine before, except blackberry cordial.他除了黑莓甜酒外从来未喝过酒....

The finance minister backtracked on his decision.财政部长收回了他的决定。He backtracked into the wood and climbed a tall tree.他沿原路返回树林,爬上一棵粗壮的大树....

heart attack的复数形式为：heart attacks...