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
Would you please try to keep quiet at this hour?
这么晚了，你能不能尽量保持安静。
He's got a bad headache.
他头痛的厉害。
Bad luck!
真不走运！