"on; above" Practice Chinese lesson

Recording	English	Chinese	Status
	I understand now why he didn't go to a university.	现在我明白他为什么没去上大学了。
	Is there a doctor on board?	飞机上有医生吗?
	Ask that question on Zhihu.	在知乎上问这个问题。
	Please use your headphones in the train.	请在火车上使用耳机。
	I need your help, my dad is in court.	我需要你的帮助，我的爸爸正在法庭上。
	A room with a teacher sitting on a chair and a student sitting on a chair.	房间里有一位老师坐在椅子上，一位学生坐在椅子上。