Areo-pyknometer
[医] 小量液比重瓶
🧩 词语组成解析
[医] 比重瓶
🗣️ 情景例句
You're really good at that.
你做得真不错。
What day was yesterday?
昨天是星期几？
Will you shut the door, please?
请你把门关上，好吗？