+7 = 15 

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  1. (aluminium,Al)​化學元素原子序13。金屬元素銀白延展性傳熱導電可加製成電線鋁箔日常器皿鋁合金可作飛機汽車船舶結構材料用途廣泛

aluminum (chemistry)​
aluminium
Aluminium (Element 13, Al)​ (S, Chem)​