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
Chileren should learn about the great accomplishments of their nation.
孩子们应该了解自己国家的伟大成就。
I usually read a book to kill time.
我通常用看书来消磨时间。
Who is this young man?
这个年轻人是谁？