Emergency unit
[化] 备用机件; 备用装置
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
To advertise during prime time TV is very expensive.
在电视的黄金时段买广告是很贵的。
Cut short the nonsense and return to one's muttons.
闲话少说，言归正传。
After seeking out the rude assistant, she asked for the same dress.
找到那个无礼的售货员后，她还要看昨天的那件衣服。