名词
中文翻译：合金
同义词：
['metal alloy', 'metal mix']
例句：
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1. The steel is made from a mixture of iron and carbon.
这种钢是由铁和碳混合制成的。
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2. Alloys are used in many industries to improve strength and durability.
合金被广泛用于许多行业中，以增强强度和耐用性。
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3. The alloy was designed to be lighter and stronger than the original material.
这种合金被设计成比原始材料更轻、更强。