Underground activities
[法] 地下活动
🧩 词语组成解析
n. （activity复数形式）活动；活动区；活动性
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
Take care of the pence, and the pounds will take care of themselves.
积少自然成多。
We can get by.
我们过得去。