tetramethrin

例句：

1. 1. The pesticide tetramethrin is effective against many types of insects.
   这种杀虫剂四氯菊酯对许多类型的昆虫都有效。
2. 2.The farmers used to spray this insecticide on their crops to protect them from pests.
   农民过去用这种杀虫剂喷洒在作物上，以保护它们免受害虫的侵害。
3. 3. Due to its high efficacy and low toxicity, tetramethrin has become a popular choice for controlling pests in agriculture.
   由于其高效性和低毒性，四氯菊酯已成为农业中控制害虫的首选。