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单词 allethrin
释义 allethrin
 /al"euh thrin/, n. Chem.
 a clear, amber, viscous liquid, C19H26O3, used as an insecticide.
 [1945-50; ALL(YL) + (pyr)ethrin, equiv. to Pyrethr(um) name of a genus of composite plants + -IN2]
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