子弹夹

例句：

1. 1. He carried a bullet case in his pocket to keep his gun safe.
   他口袋里带着一个子弹夹，以防他的枪被偷。
2. 2.The soldier carefully placed his bullet case on the ground.
   士兵小心翼翼地把子弹夹放在地上。
3. 3. The policeman quickly checked his bullet case for any suspicious items.
   警察迅速检查他的子弹夹，看是否有可疑物品。