Areopycnometer
稠液比重计
🏥 医学释义
液体比重计
🗣️ 情景例句
Oh, it's a quarter to four,
噢 ，差十五分就四点了，
I will warn you.
我会警告你。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。