例句
柯林斯高阶英汉双解学习词典释义
  • N-UNCOUNT
    砷;砒霜
    Arsenic is a very strong poison which can kill people.
英汉词典释义
英英词典释义
  • Noun
    1. a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
    2. a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide and weed killer
行业词典
  • 医学: 砷:一种药用和有毒的元素,易碎,有光泽的灰色固体,有大蒜气味,化学符号As,原子序数33,原子量74.922,比重5.73。吸入及摄入皆有毒性,并有致癌作用。砷及砷化合物在医药中虽应用甚广,但现在只在某些热带寄生虫病的治疗中尚有其重要性。另见poisoning项下;三氧化二砷:同arsenic trioxide;含五价砷的;