湮灭

例句：

1. 1.The government's plan to annihilate poverty was a controversial one.
   政府计划消灭贫困的计划是一个有争议的。
2. 2.The scientist used his knowledge to annihilate the virus.
   科学家利用他的知识来消灭病毒。
3. 3.The firefighters fought hard to annihilate the forest fire.
   消防员们努力奋战，试图彻底扑灭森林大火。