1. The cold weather had most deleterious consequences among the chrysanthemums. 寒冷的天气对菊花产生了极有害的影响。
2. There are two main hypotheses which explain how sex may act to remove deleterious genes from the genome. 解释有性生殖如何起到从基因组中消除有害基因的作用，主要有两种假设。
3. Normally the lysosomes may be protecting the cell from the deleterious effects of such metal ions, by sequestering them. 在正常情况下，溶酶体将这些金属离子隔离，保护细胞免受其有害的作用。
