n. a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species
n. 毒素
[化] 毒素
1. The scientist discovered a new toxin in the river water.
科学家在河水中发现了一种新毒素。
2. Some plants can produce toxins to protect themselves from predators.
一些植物可以产生毒素来保护自己免受捕食者的侵害。
3. It's important to avoid exposure to toxins in household cleaners.
避免接触家用清洁剂中的毒素是很重要的。