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
It's good to meet you.
很高兴见到 。
The telephone is ringing.
电话铃响了。
The sun comes up in the east.
太阳从东方升起。