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Pyrethrin的音标发音
Pyrethrin
英式发音：[pai'ri:θrin]
美式发音
(n.) A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew; -- called also Pyrethrum camphor.
亚伦编辑
(n.) A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew; -- called also Pyrethrum camphor.
亚伦编辑