Pyknometer
[医] 比重瓶
🏥 医学释义
①比重瓶 ②比重计
🗣️ 情景例句
Fine, thank you.
很好， 谢谢你 。
Care and diligence bring luck.
谨慎和勤奋，带来好运气。
How much does it cost to go abroad?
出国要多少钱？