back
发音back是什么意思：[bæk]
词意：
1.n. 后面；背部；靠背；足球等的后卫；书报等的末尾
Sleeping on the couch makes your back hurt.
在沙发上睡一觉就背疼了。
2.vt. 支持；后退；背书；下赌注
We will back him for public office.
我们将支持他担任公职。
3.vi. 后退；背靠；倒退
Face back on the blackboard, platform in the long river, the teacher is time youput a 45 minutes, with sweat and toil wisdom into innumerable dazzling auraweave!
面对讲台，背靠黑板，在时光长河里，老师是您把一个个45分钟，用辛劳汗水和智慧编织成无数耀眼的光环！
4.adv. 以前；向后地；来回地；上溯
Go back as soon as possible to former routines or develop new ones.
尽可能快地回到以前的日常事情，或发展新的日常事情。
5.adj. 后面的；过去的；拖欠的
A back injury effectively ended her career.
背部的伤实际上结束了她的职业生涯.
