Microosmometer
微渗压计
🗣️ 情景例句
He was a dull man and you had to explain things very slowly to him.
他脑筋迟钝，你必须慢慢地给他解释事情。
Waste not,want not.
俭以防匮。
IS it true or false?
这是对的还是错的？