always safe geometry

例句：

1. 1. The engineer designed anew geometry for the bridge to ensureits always safe operation.
   工程师为桥梁设计了一种新的几何结构，以确保其始终安全运行。
2. 2. The team's always safegeometry made it difficult for the enemy toattack.
   团队的始终安全的几何结构使得敌人难以进攻。
3. 3. In his research, he discovereda new geometry that could make materialsstronger and safer.
   在他的研究中，他发现了一种新的几何结构，可以使材料更强大、更安全。