名词
中文翻译：铁锈金属
同义词：
['rusted metal', 'corroded metal']
例句：
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1.The old iron gate is rusty and needs to be replaced.
那把旧铁门生锈了，需要更换。
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2.The car's engine is corroded by the acid rain, making it difficult to start.
汽车的引擎被酸雨腐蚀，很难启动。
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3. The old ship was rusty and could not sail far.
那艘旧船生锈了，无法远航。