Microosmometer
微渗压计
🗣️ 情景例句
Sam, this is Susan. Sam
我是Susan。
Speak well of your friend, of your enemy say nothing.
要赞美朋友，莫提及敌人。
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。