Pyrethrin
[pai'ri:θrin]
解釋/意思:
(n.) A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew; -- called also Pyrethrum camphor.
亚伦編輯
[pai'ri:θrin]
(n.) A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew; -- called also Pyrethrum camphor.
亚伦編輯