flame weeder

例句：

1. 1.The flame weeder was used to remove the fireweed from the garden.
   火焰除草器被用来从花园里除去火绒草。
2. 2. The farmer used a flame weeder to clear the fields before planting.
   农民使用火焰除草器在播种前清理田地。
3. 3. The flame weeder was an essential tool for controlling the spread of wildfires.
   火焰除草器是控制野火蔓延的必备工具。