supporting artillery

例句：

1. 1. The army's support for the war effort was crucial to its success.
   军队对战争努力的支持对战争的成功至关重要。
2. 2. The supporting firepower of the tanks helped to secure the position.
   坦克的支援火力帮助确保了阵地。
3. 3.The commander ordered the supporting artillery to open fire on the enemy positions.
   指挥官命令支援火炮向敌人阵地开火。