军用步枪

例句：

1. 1. The soldier was armed with a sniper rifle for the mission.
   士兵为这次任务配备了狙击步枪。
2. 2. The soldiers were trained to use their rifles effectively.
   士兵们被训练得能够有效地使用他们的步枪。
3. 3. The rifle is a crucial piece of equipment in military operations.
   步枪是军事行动中至关重要的设备。