arsenic trioxide
短语[化] 三氧化二砷 [医] 三氧化二砷, 白砷, 砒霜
释义与例句
n.
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1.
An industrially important and highly toxic oxide of arsenic that occurs as the mineral claudetite; formula As₂O₃ (though in liquid, gaseous and some solid forms it has molecules of the form As₄O₆).
三氧化二砷
不可数 化学