| 释义 |
py·re·thrum AHD[pī-rēʹthrəm, -rĕthʹrəm] D.J.[paɪˈriːθrəm, -ˈreθrəm]K.K.[paɪˈriθrəm, -ˈrɛθrəm]n.（名词）- Any of several Old World plants of the genusChrysanthemum, such as C. coccineum, cultivated for their showy flower heads. 菊花：一种东半球菊科 属植物，例如 红花除虫菊 ，因醒目的花朵而被种植
- An insecticide made from the dried flower heads ofChrysanthemum cinerariifolium or C. coccineum. 除虫菊杀虫剂：由除虫菊 或 红花除虫菊 的干燥的花朵制成的杀虫药剂
- Latin [pellitory] 拉丁语 [墙草属植物]
- from Greek purethron [feverfew] 源自 希腊语 purethron [小白菊]
- from pur [fire (from its warming effect)] * see pyretic 源自 pur [火（不自它的加温效果）] * 参见 pyretic
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