形容战争炮火非常激烈fierce fire; cannon fire fills the sky

• 在炮火连天的情况下，他一直坚守在战斗岗位上。

  He kept firmly to his position when under fierce fire.

• 一幅幅真实的历史照片，把官兵们带回了炮火连天的抗战岁月。

  Each real historical photograph took the officers and men back to the fierce fire of wartime.