Specific gravity
[化] 比重\\n[医] 比重
📖 牛津释义
specific gravity
mass of any substance in relation to an equal volume of water 比重.
🧩 词语组成解析
🗣️ 情景例句
Oh, yes. Are his models here?
噢 ，对啦。 他的模型在这里吗？
Once a devil, always a devil.
一次做魔鬼，永远是魔鬼。
Once a year, a race is held for old cars.
旧式汽车的比赛每年举行一次。