Pyknometer
[医] 比重瓶
🏥 医学释义
①比重瓶 ②比重计
🗣️ 情景例句
He's gone for the day.
他整天都不在。
I'll probably wake up early and get up at 6:30.
我可能早醒并在6:30起床。
And if this something else is rightly chosen,
如果选得合适，