toxin

n. 毒素,毒质

The cake on analysis was found to contain traces of toxin.

经分析发现蛋糕里含有微量的毒素。

A biotechnology company is developing a range of new pesticide based on naturally occur toxin.

一家生物工艺开发公司正在根据自然滋生毒素的原理研制新型农药系列产品。