mercury

/ˈmərkjəri/

a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures

中文释义：汞；水银

Mercury is the only metal that remains liquid at room temperature.

汞是唯一在室温下保持液态的金属。

The thermometer contains mercury, which expands when heated.

温度计中含有汞，受热时会膨胀。