英语词汇pyrethrin怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pyrethrin
释义	pyrethrin /ˌpaɪˈriːθrɪn/ noun Chemistry any of a group of insecticidal compounds present in pyrethrum flowers 【化】除虫菊酯。词源 1920s: from PYRETHRUM + -IN¹.
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