fenchlorphos

例句：

1. 1. The pesticidefenchlorphos is effective againstmany types of insects.
   这种杀虫剂对许多类型的昆虫都很有效。
2. 2. The farmersused to use fenchlorphosto control the weeds in theirfields.
   农民过去常用氟氯氰菊酯来控制他们的田地里的杂草。
3. 3. Fenchlorphos is a common pesticide used in agriculture to protect crops frompests.
   氟氯氰菊酯是一种常见的农业杀虫剂，用来保护作物免受害虫的侵害。