bayonet fixing

例句：

1. 1. The soldier had to fix the bayonet before he could move forward.
   士兵在前进前必须先固定好刺刀。
2. 2.The doctor fixed the bayonet on his rifle for better accuracy.
   医生将刺刀固定在他的步枪上以提高射击的准确性。
3. 3.The soldiers were instructed to fix their bayonets at all times during training.
   士兵们被告知在训练期间任何时候都要固定好他们的刺刀。