Operation unit
[经] 操作单位
🧩 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
No. She's at work now.
不在，她正在上班。
I want to make a local call.
我要打个市内电话。
I was on the march.
我参加了游行。