| 单词 | pyrethrine |
| 释义 | Definition of pyrethrine in English:pyrethrinenoun pʌɪˈriːθriːn Chemistry
OriginMid 19th century (in an earlier sense). From pyrethrum + -ine. In sense 1 after French pyrétrine. Definition of pyrethrine in US English:pyrethrinenounpʌɪˈriːθriːn Chemistry
OriginMid 19th century (in an earlier sense). From pyrethrum + -ine. In sense 1 after French pyrétrine. |
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