cannonproof

例句：

1. 1. The armored vehicle was designed to be cannonproof against enemy fire.
   这种装甲车被设计成能够抵御敌方炮火。
2. 2.The new security system is incredibly cannonproof, making it nearly impossible for intruders to breach the perimeter.
   新的安全系统极其耐射击，使得入侵者几乎无法突破防线。
3. 3. The soldiers were trained to be cannonproof in the face of enemy fire.
   士兵们接受了训练，能够在面对敌人火力时保持冷静。