Pyknometer
[医] 比重瓶
🏥 医学释义
①比重瓶 ②比重计
🗣️ 情景例句
He sees her often but doesn't want to get too involved.
他常与她来往，但不愿用情太深。
Look for a needle in a bundle (or bottle) of hay.
海底捞月。
You have an eye for beauty.
你有审美的眼光。