Areopycnometer
稠液比重计
🏥 医学释义
液体比重计
🗣️ 情景例句
I should have quit while I was ahead.
我应该见好就收。
Please make sure that the goods be protected from moisture.
请保证货物不受潮。
'Oh dear,' said the conductor suddenly.
“哎呀，”售票员突然说，