a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures 同义词:mercury, hydrargyrum, Hg, atomic number 80
形容词
liable to sudden unpredictable change; "erratic behavior"; "fickle weather"; "mercurial twists of temperament"; "a quicksilver character, cool and willful at one moment, utterly fragile the next" 同义词:erratic, fickle, mercurial