来自希腊语deleter, 破坏者，毁灭者，可能进一步来自PIE*da, 切，分，词源同 demon.即破坏性的，有害的。

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.

来自《简明英汉词典》

2. Petty crime is having a deleterious effect on community life.

轻微罪行正对社区生活产生有害影响。

来自辞典例句

3. Exactly why the foreign body is so deleterious is not clear.

异物为什么如此有害,其确切原因尚不清楚.

来自辞典例句

4. In normal seedlings the deleterious recessive genes are not expressed.

有害的隐性基因在正常菌木中不表现出来.

来自辞典例句

5. The oxides of nitrogen can have deleterious effects on materials, vegetation, and animal and human life.

氮的氧化物对物质 、 植物 、 动物和人类生活有毒害效应.

来自辞典例句