例句
同义词
柯林斯高阶英汉双解学习词典释义
  • N-UNCOUNT
    水银;汞
    Mercury is a silver-coloured liquid metal that is used especially in thermometers and barometers.
英汉词典释义
英英词典释义
  • Noun
    1. a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures
    2. temperature measured by a mercury thermometer;
    "the mercury was falling rapidly"
行业词典
  • 医学: 汞、水银:常温下呈液态的金属无素。又称水银(quicksilver),符号为Hg,原子序数80,原子量200.59,比重13.546。汞不溶解于一般溶媒中,仅部分溶解于煮沸的盐酸。然而能溶解于硝酸。汞可形成两类化合物;亚汞化合物为一个汞原子与单价根结合,另一个为汞化合物,为一个汞原子与双价根相结合。汞及其盐类在治疗上用作泻剂,也用作治疗慢性炎症的变质药、抗梅毒药、肠道消毒剂、抗菌剂和收剑剂。它们可被皮肤和粘膜吸收引起慢性汞中毒,见poisoning项下。由于其毒性,汞制剂的使用在减少中。汞盐较亚汞盐易溶解,;
    电力: 水银玻璃温度计;mercury-in-glass thermometer;汞弧阀;mercury-arc valve;