alaumstem

例句：

1. 1.The aluminium alloy has been widely used in the construction industry.
   铝合金在建筑业中被广泛使用。
2. 2.Aluminium is a lightweight, strong material that is often used in manufacturing.
   铝是一种轻质、坚固的材料，常用于制造。
3. 3. The aluminium oxide layer on the surface of the metal acts as a protective barrier against corrosion.
   金属表面的氧化铝层起到保护作用，防止腐蚀。