Areopycnometer
稠液比重计
🏥 医学释义
液体比重计
🗣️ 情景例句
Did you know
你知道
Speech is the picture of the mind.
言为心声。
Oh! She's falling off her bike. I hope she didn't hurt herself.
噢！她正从自己的自行车上跌落下来。我希望她没有摔伤。