查询词典 drop back

turn back：回来

bring back 拿回;使...回想起 | turn back 回来 | get back 回来;恢复;要回; 带回

turn one's back on / upon：背弃..,抛弃

11.Don't turn your back on us.别抛弃我们 | turn one's back on / upon=背弃..,抛弃.. | eg.One should never turn his back on his home country. 一个人永远也不能背弃自己的祖国

turn one's back on / upon：背弃...,抛弃...;对...不闻不问

know... like the back of one's hand.对...了如指掌 | turn one's back on/upon...背弃...,抛弃...;对...不闻不问 | by the back door 通过后门;用不正当的途径

to turn one's back on：不理,看不起,背弃

背着某人说坏话 --- be behind one's back | 不理,看不起,背弃 --- to turn one's back on | 后退 --- to back away

Back veneer：(胶合板之)里板

back valve | 回动阀, 止回阀, 逆止阀, 单向阀 | back veneer | (胶合板之)里板 | back view | 后视图

Go way back：有交情,两个人在一起很长时间

.go way back 有交情,两个人在一起很长时间 | Angela and I go way back, we've known each other since elementary school. 我和An... | My boss and I go way back , she was my boss at my first job. 我和老板关系...

back yoke：后过肩

总肩 across back shoulder | 后过肩 back yoke | 背缝 center back seam

back blading：倒车叶片组

back bias 反馈偏压 | back blading 倒车叶片组 | back board 靠背板

back blading：倒刮

back-biased silicon diode 反向偏压硅二极管,反向偏置硅二极管 | back-blading 倒刮 | back-bombardment 反轰击

back blading：倒车叶片

反向偏压,负偏压 back bias voltage | 倒车叶片 back blading | (焊缝)清根,挑焊根 back chipping

dioptric：折射光学的

dioptre 屈光度 | dioptric 折射光学的 | dioptrics 折射光学

Saturdays are fun：星期六很有趣

6. Saturdays are fun.星期六很有趣. | fun 为不可数名词,"快乐,有趣",在此做表语. | That must be fun. 那一定很有趣.