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
Everything is fine, Michelle.
一切都好， Michelle。
Does your friend speak English?
你的朋友说英语吗？
I was being tested for a driving licence for the third time.
我第3次接受驾驶执照考试。