commercially pure aluminium

例句：

1. 1. The new car has been made fromcommercially pure aluminium.
   这款新车是由商业纯铝制成的。
2. 2. Aluminum is an important material for makingairplanes and cars.
   铝是制造飞机和汽车的重要材料。
3. 3. The aluminum cansare used to store food in the refrigerator.
   铝罐用于在冰箱中储存食物。