Hydrospirometer
[医] 水柱[式]肺量计
🗣️ 情景例句
It's no use crying over spilt milk. What's done cannot be undone.
覆水难收。
When did you find this book?
你什么时候找到这本书的？
He gets into the lift. It takes him down to the first floor.
他进入电梯。他乘电梯下到1楼。