- bring back to life使复活，给…以活力;
- back yard后庭;
- back wateradv.倒划，退缩;
- back up wall背墙;
- back to square one问题回到原态，并没有解决;
- back to back houses背对背房屋;
- back to back背靠背;背对背;
- back square矩尺;
- back slangn.倒读隐语;
- back seat后座;
- back painting底面涂漆;
- back out of收回（诺言等）;
- back order延期交货;
- back mattern.书后的附属资料;
- back into（使）倒进…;
- back elevation背视图;
- back down off放弃，让步，退却;
- back down退让，退回去，撤销（要求等）;
- back channel[计]反向信道;
- back cataloguen.（歌手等的）以往歌曲目录，过往作品;
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