alloy nuclear fuel

例句：

1. 1. The steel alloy is stronger and more durable than the original material.
   这种钢合金比原始材料更坚固耐用。
2. 2. The alloy was used in the construction of buildings because of its strength and durability.
   由于其强度和耐久性，这种合金被用于建筑的建设。
3. 3. The alloy is used to make tools and machinery that are lighter and more efficient.
   这种合金被用来制造更轻、更有效的工具和机械。