allied mean curvature

例句：

1. 1. The allies launched a surprise attack on the enemy's position.
   盟军对敌人的位置发动了一次出其不意的攻击。
2. 2. Allies were gathered to discuss the next steps in the conflict.
   盟友们聚集在一起讨论冲突中的下一步行动。
3. 3. The allies are working together to resolve the crisis.
   盟友们正共同努力解决这场危机。