捍卫

例句：

1. 1. The police are defending the city against a typhoon.
   警察正在保护这座城市免受台风侵袭。
2. 2.She defended her honor by denying the allegations.
   她通过否认指控来维护自己的名誉。
3. 3.The company is defending its products against counterfeiting.
   该公司正在为其产品进行反假冒斗争。