液体比重计 yètǐbǐzhòngjì hydrometer Origin Definitions Defs Strokes Stroke Words Sentences Sents 液体 液體 yètǐ noun liquid liquid; a substance that has a fixed volume but no fixed shape and is able to flow比重计 比重計 bǐzhòngjì hydrometer An instrument used to measure the specific gravity of liquids, consisting of a weighted glass tube that floats in the liquid.