N-VAR
毒素
A toxin is any poisonous substance produced by bacteria, animals, or plants.
例句
Experts have linked this condition to a build-up of toxins in the body…
专家已把这一病症与体内毒素的积累联系起来。
Tests showed increased levels of toxin in shellfish.
检验表明水生有壳动物的毒素水平提高了。