🧩 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
before Michelle and her friends arrived.
在Michelle和她的朋友们来之前。
You were lucky to find it.
你的运气真好。
It's a bus.
一辆公共汽车。