back action [物] 反作用 ; 反向作用 ; 反酌
rolling back action 回卷动作 ; 回滚操作 ; 胶
back action lock 反作用锁
reverse back-action clasp [口腔] 反回力卡环
back-action clasp [口腔] 回力卡环
back-action condenser 回力充填器
feed-back action 反馈作用
point-to-back action 针尖同向作用
back-action evasion 量的非干扰 ; 非干扰
back-action plugger 回力充填器
Access was gained to these shops through the small alleyway at the back of the properties—it's dark and as you can imagine, no one saw the thief or thieves in action.
通过房子后面的小巷子可以进入这些商店,那里很黑,你可以想象不会有人看到小偷的行动。
After all, a little healthy worrying is okay if it leads to constructive action—like having a doctor look at that weird spot on your back.
毕竟,一点点健康的担忧是可以的,如果它能带来建设性的行动——比如让医生检查你背上那个奇怪的斑点。
As we walked along the back of the store, I narrated its floor plan: old television shows, action movies, cartoons, science fiction.
我们沿着商店的后面走,我讲述了它的平面构造:老电视节目、动作片、卡通片和科幻小说。
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