名词
中文翻译：不定型合金
同义词：
['unalloyed', 'unalloyed metal', 'unalloyed steel例句：1. The new alloy has been tested to ensure its strength and durability.（新合金已经测试过，以确保其强度和耐用性。）2. The engineer used a special alloy to make the machine parts stronger.（工程师使用了一种特殊的合金来使机器部件更坚固。）3. The unalloyed steel is resistant to corrosion and can be used in harsh environments.（未合金化的钢对腐蚀有抵抗力，可以在恶劣环境中使用。）']
例句：
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1. The new alloy has been tested to ensure its strength and durability.
新合金已经测试过，以确保其强度和耐用性。
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2. The engineer used a special alloy to make the machine parts stronger.
工程师使用了一种特殊的合金来使机器部件更坚固。
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3. The unalloyed steel is resistant to corrosion and can be used in harsh environments.
未合金化的钢对腐蚀有抵抗力，可以在恶劣环境中使用。