pyrethroid / paɪˈri θrɔɪd, -ˈrɛθ rɔɪd /

📖毕业后词汇拟除虫菊酯除虫剂除虫菊酯拟除虫菊

pyrethroid 的定义

n. 名词 noun

Chemistry.

  1. any of several synthetic compounds that are similar to but more persistent than natural pyrethrins.