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'll go down to Henry's grocery. He's always open.
我到亨利杂货店去。那里总是开门营业的
This is my fourth year of college, I'm a senior.
这是我上大学的第四年，我是四年级学生。
He was a shrewd and wealthy businessman, but most people in the town hardly knew anything about this side of his life.
他是个精明能干、有钱的商人，但镇上大部分人对他生活中的这一个方面几乎一无所知。