aluminium       
noun [ U ] UK uk/ˌæl.jəˈmɪn.i.əm/ us/ˌæl.jəˈmɪn.i.əm/ (US aluminum)
B2 (symbol Al)铝 
a chemical element that is a light, silver-coloured metal, used especially for making cooking equipment and aircraft parts
  an aluminium saucepan 铝炖锅 
 Cover the fish with aluminium foil and cook over a low heat. 把鱼用铝箔包好,然后用文火烤。 
 We take all our aluminium cans for recycling. 我们把铝罐全部拿来回收利用。 
 - More examples
 - The car's lightweight chassis is made from aluminium sheets.
 - Because aluminium is a light metal, it is used for overhead cables.
 - The company produces aluminium and copper cables for export.
 - What type of curtain rods would you prefer - brass, wood, or aluminium?
 - We should all be recycling our aluminium drinks cans, foil and other packaging.