Microcentrum
[医] 中心体
🗣️ 情景例句
I don't have time to take any elective classes.
我没有时间去上任何选修课。
I'm sorry, but she won't have any openings until 11:00, unless there's a cancellation.
对不起，除非有预约取消，11点以前她没有空。
There is a boat in the river.
河里有一条船。