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单词 permethrin
释义
per·meth·rin (pər-mĕthrĭn)
n.
A synthetic pyrethroid, C21H20Cl2O3, used as an agricultural, industrial, and residential insecticide, to treat scabies and head lice in humans, and to control fleas and ticks in dogs.

[PER- + (res)methrin, a pyrethroid (resm-, of unknown origin + (PYR)ETHRIN).]
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英语词典包含135693条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

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更新时间:2026/6/11 15:36:05