State security
[法] 国家安全, 国家治安
🧩 词语组成解析
🗣️ 情景例句
It's mostly young people who take part.
参加活动的绝大多数是年青人。
He that has a great nose thinks everybody is speaking of it.
做贼心虚。
The book you ask for is sold out.
你要的那本书已经售完了。