atrazin

例句：

1. 1. This pesticide is effective against many types of weeds.
   这种杀虫剂对许多类型的杂草都有效。
2. 2. The farmers use this herbicide to control the growth of unwanted plants in their fields.
   农民们使用这种除草剂来控制他们田地里不希望的植物生长。
3. 3. Atrazin is also used as a fungicide to prevent diseases in crops.
   莠灭净还用作杀菌剂，以防止农作物的疾病。