🗣️ 情景例句
These are polite questions.
这些问题都是礼貌的。
If it is left too long, it begins to give off a bad smell.
假如把它放得太久了，它就会开始发臭。
When a student recently saw two workmen using a pneumatic drill outside his university, he immediately telephoned the police and informed them that two students dressed up as workmen were tearing up the road with a pneumatic drill.
最近有个学生看见两个工人在学校门外用风钻干活，马上打电话报告警察，说有两个学生装扮成工人，正在用风钻破坏路面。