Ultrasonic densitometer
[电] 超声密度计
🧩 词语组成解析
n. 光密度计\\n[计] 密度计
🗣️ 情景例句
I'm so tired I think I'm overtired.
我好累， 我想我是累过头了。
I can't do it by myself.
我一个人哪做得完啊！
Invariably the background was the same: dirt and poverty, and very uncomfortable.
肮脏、贫穷，极其不舒适。