a poisonous substance , especially one which is produced by bacteria and which causes disease
发音
例句
1. 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。 2. 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。