duralumin

詳細解釋：

du.ral.u.min

n.（名詞）
An alloy of aluminum that contains copper, manganese, magnesium, iron, and silicon and is resistant to corrosion by acids and sea water.
杜拉鋁：一種鋁合金，含銅、錳、鎂、鐵與矽，能抗酸和海水腐蝕

來源：
[Originally a trademark]
[最初為商標名]