gun brush

例句：

1. 1. He used a gun brush to clean his gun.
   他用枪刷子来清理他的枪。
2. 2. The hunter used a gun brush to remove the feathers from the bird's body.
   猎人用枪刷子把鸟身上的羽毛去掉。
3. 3. The soldier used a gun brush to polish the barrel of his gun.
   士兵用枪刷子来打磨他枪的枪管。