alloy
/ˈæˌlɔɪ/
a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten
中文释义：合金
Steel is an alloy of iron and carbon, widely used in construction.
钢是铁和碳的合金，广泛应用于建筑。
The new alloy is lighter and stronger than traditional metals.
这种新合金比传统金属更轻、更坚固。