uniform magnetic shell

例句：

1. 1.The soldiers marched in unison tothe parade ground.
   士兵们整齐地走向阅兵场。
2. 2. The uniforms are made of asoft material that keeps them warm.
   这些制服是用柔软的材料制成的，可以保暖。
3. 3. Theuniforms were designed to be comfortable andpractical for the soldiers.
   这些制服是为了让士兵穿着舒适和实用而设计的。