Today's Rocket Words: Your 5 words and meanings to learn

有毒

会对生物造成伤害的毒物

DDT

一种杀虫剂(二氯二苯三乙烷的简称)

水银

室温下为液体的金属(第 80 号元素)

破坏

中断事件、活动或过程的干扰或问题

生物富集

生活在受多种化合物污染地区的生物体中,某些化学物质(如杀虫剂)浓度的增加。

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