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 you care about us.
关心我们大家。
Can you guess what I was doing this morning?
你能猜测我今早正在做什么吗？
Is that an English car?
那是辆英国产的小汽车吗？