Hydrometer
n. 液体比重计\\n[化] 液体比重计
📖 牛津释义
hydrometer
n
scientificinstrument that measures the density of liquids 液体比重计.
🗣️ 情景例句
I was expecting him here at five forty-five.
我们约好了五点四十五在这里会面的。
What kind of quality control do you have?
你们用什么办法来控制质量呢？
Don't worry.
别担心。