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单词
pyrethrin
释义
pyrethrin
/paɪˈriːθrɪn/
n.
【化】
1.
pyrethrin I
(C₂₁H₂₈O₃)
除虫菊酯I
2.
pyrethrin II
(C₂₂H₂₈O₅)
除虫菊酯II
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更新时间:2026/3/14 22:16:07