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
Have you ever been to Far East Department Store?
你曾去过远东百货公司吗？
When the fire started, I was writing letters.
当火起来的时候，我在写信。
One year for our birthday Mom gave us both a T-shirt two green T-shirts!
有一年过生日，妈妈送给我俩各一件T恤衫--两件绿的T恤衫。