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
That's it. There.
很好。啊。
All things will come round to him who will but wait.
只要耐心肯等待，一切都会按时来。
He threatened to remove them by force.
于是警察威胁要强行使他们离开。