aligninum

例句：

1. 1. Aluminum is a lightweight and strong material that is widely used in construction.
   铝是一种轻质且强度高的材料，广泛应用于建筑行业。
2. 2. The alloy of aluminum and copper has excellent corrosion resistance.
   铝铜合金具有良好的耐腐蚀性。
3. 3.Aluminum foil is commonly used for wrapping food to prevent it from spoiling.
   铝箔常用于包裹食物，以防止其变质。