Pyracide

例句：

1. 1. The farmer sprayed Pyrachlor on the lawn to kill the weeds.
   农民在草坪上喷施了吡虫啉来杀死杂草。
2. 2.The pesticide was effective in controlling the population of insects.
   这种杀虫剂有效地控制了昆虫的数量。
3. 3. The farmers used Pyrachlor as a last resort to eliminate the weeds in their fields.
   农民们用吡虫啉作为最后的手段来清除他们田地中的杂草。