Security department
保卫处
🧩 词语组成解析
🗣️ 情景例句
I'll take the application and letter tomorrow when I come in.
明天我来的时候，会把申请表和推荐信带来。
The truest politeness comes from sincerity.
真正的殷勤出于真诚。
How would you go to Beijing, by air or by train?
你怎样去北京，是乘飞机还是坐火车？