decamethrin

例句：

1. 1. This pesticide is highly effective against the spider mite.
   这种杀虫剂对蜘蛛螨非常有效。
2. 2. The farmers use this insecticide to control the whitefly.
   农民们使用这种杀虫剂来控制白粉虱。
3. 3. Decamethrin is a common pesticide used in agriculture to protect crops from pests.
   十氯烯是一种常见的农业杀虫剂，用于保护作物免受害虫侵害。