请输入您要查询的英文单词:
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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waterweed
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waterwheel
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water witch
water worker
waterworks
waterworn
watery
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waterzoois
water–cool
water–repellent
water–resistant
water–ski
water–soak
water–soluble
Watford
Watling Island
wats
Watson, James Dewey
Watson, John B(roadus)
Watson, John Christian
Watson, Russell
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更新时间:2026/5/29 3:38:21