C. e. unit operation
[建] 化工单位操作
🧩 词语组成解析
[医] 接触; 接触人, 以, 用, 和, 居里(放射性强度单位), 卡
[医] 电子\\n[经] 东
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
You'd better watch your step or you'll get into trouble again.
你最好留点儿神， 免得再惹麻烦。
I will go to the drugstore.
我将去药房。
Then it turned in a semicircle, ran straight again, and turned in another semicircle to the opposite side.
然后转一个半圈，再沿直线飞，再朝反方向转个半圈。