arsenic
arsenic 英 [ˈɑ:snɪk] 美 [ˈɑrsnɪk]
n. 砷；砒霜；三氧化二砷 adj. 砷的；含砷的
名词复数:arsenics
- Arsenic is a chemical element that's quite poisonous to humans and other animals. Arsenic was once commonly used in rat poison and insecticides.
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- n. 砷；砒霜；三氧化二砷
- adj. 砷的；含砷的
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1. His wife poisoned him with arsenic.
他妻子用砒霜把他毒死了。
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2. Strychnine, arsenic, and opium are poison.
马钱子碱、砷和鸦片都是毒药。
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3. But it might be time to update that list. Because scientists have found a bacterium that can do without phosphorus—live on arsenic instead.
但也许是时候更新这份必需元素目录了，因为科学家们发现一种细菌会用砷来代替磷，不需要磷也可生存。
- arsenic (n.) late 14c., "yellow arsenic, arsenic trisulphide," from Old French arsenic, from Latin arsenicum, from late Greek arsenikon "arsenic" (Dioscorides; Aristotle has it as sandarake), adapted from Syriac (al) zarniqa "arsenic," from Middle Persian zarnik "gold-colored" (arsenic trisulphide has a lemon-yellow color), from Old Iranian *zarna- "golden," from PIE root *ghel- (2) "to shine," with derivatives referring to bright materials and gold.
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