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
Oh, yes. It's definitely worth reviewing.
噢 是的 。它着实值得评论。
He was pale with fear.
她吓得脸色刷白。
Jack is trying to cut down on smoking.
竭克正竭力戒烟。