weed oil

例句：

1. 1.The farmers used to use this herbicide oil to kill the weedsin their fields.
   农民过去使用这种除草油来杀死他们的田地里的杂草。
2. 2.The farmer sprayed the weed killeroil on the crops to prevent them fromgrowing too tall.
   农民喷洒了除草油在作物上，以防止它们长得太高。
3. 3. The weed killer oil is avery effective tool for controlling weedsin agricultural fields.
   除草油是一种非常有效的工具，用于控制农田中的杂草。