🧩 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
It's going to be a piece of cake.
这种事不费吹灰之力。
I invited him to come back, but he wouldn't.
我请他回来，但是他不肯。
I enjoy it very much.
我很喜欢游泳。