C2 noun #145,353 最常用

A toxic crystalline substance obtained from the roots of derris and related plants, widely used as an insecticide.

rotenone 30秒了解

  • (noun) A toxic crystalline substance obtained from the roots of derris and related plants, widely used as an insecticide.

Meanings

  1. 1
    noun A toxic crystalline substance obtained from the roots of derris and related plants, widely used as an insecticide.

近义词

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