chlormephos

例句：

1. 1. This pesticide is effective against a wide range of insects and pests.
   这种杀虫剂对多种昆虫和害虫都有效。
2. 2.The farmers use this chemical to control weeds in their fields.
   农民们使用这种化学物质来控制他们的田地中的杂草。
3. 3. The chlormephos has been banned in many countries due to its toxic effects.
   由于其毒性效应，氯甲磷在许多国家被禁止使用。