laser rifle

例句：

1. 1. The soldier used a laser rifle to take down the enemy.
   士兵使用激光步枪击倒了敌人。
2. 2. The police department has been using laser rifles in their training exercises.
   警察局一直在使用激光步枪进行训练。
3. 3.The military is testing new laser rifles for their effectiveness in combat.
   军方正在测试新型激光步枪在战斗中的有效性。