Arepycnometer
[化] 稠液比重计
🗣️ 情景例句
We are running a special offer on this holiday.
我们在这个假期有个特价优惠。
He's studying his lesson.
他正在学习课程。
The men got such a fright that they dropped the bag and ran away.
这两个人吓了一跳，扔下提包逃跑了。