Train safety regulation
[法] 列车安全规则
🧩 词语组成解析
🗣️ 情景例句
She's not at home.
她现在不在家。
Do you have an appointment?
你有预约吗？
The purpose of my coming here is to inquire about possibilities of establishing trade relations with your company.
我此行的目的正是想探询与贵公司建立贸易关系的可能性。