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mer·cu·ry AHD[mûrʹkyə-rē] D.J.[ˈmɜːkjəriː]K.K.[ˈmɝkjəri]n.（名词）- Symbol Hg A silvery-white poisonous metallic element, liquid at room temperature and used in thermometers, barometers, vapor lamps, and batteries and in the preparation of chemical pesticides. Atomic number 80; atomic weight 200.59; melting point -38.87°C; boiling point 356.58°C; specific gravity 13.546 (at 20°C); valence 1, 2. Also called quicksilver See table at element 符号 Hg 水银，汞：一种银白色有毒金属元素，室温下呈液态，用于温度计、气压计、蒸气灯及电池中，也用于化学杀虫剂中。原子序数为80；原子量为200.59；熔点-38.87°C；沸点为356.58°C；比重为13.546（20°C时）；化合价为1,2 也作 quicksilver 参见 element
- Temperature:温度：The mercury had fallen rapidly by morning.早晨气温急剧下降
- Any of several weedy plants of the generaMercurialis or Acalypha. 山靛：任一种山靛属 或 大戟科 的草本植物
- Middle English mercurie 中古英语 mercurie
- from Medieval Latin mercurius 源自 中世纪拉丁语 mercurius
- from Latin Mercurius [Mercury] 源自 拉丁语 Mercurius [水星]
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