名词
中文翻译：铁锈
同义词：
["rust例句：1. The old iron gate is covered in a thick layer of rust.（那把旧铁门上覆盖着厚厚的一层锈。）2. The car's engine had started to rust after years of neglect.（这辆车的引擎在多年忽视后开始生锈了。）"]
例句：
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1. The old iron gate is covered in a thick layer of rust.
那把旧铁门上覆盖着厚厚的一层锈。
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2. The car's engine had started to rust after years of neglect.
这辆车的引擎在多年忽视后开始生锈了。
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3.Rust can be a serious problem if left untreated, as it can eat away at metal structures.
如果不加以处理，锈蚀是一个严重的问题，因为它会侵蚀金属结构。