名词
中文翻译：铁锈
同义词：
['rust', "rusty例句：1. The old iron door is covered in a thick layer of rust.（那扇旧铁门上覆盖着厚厚的一层铁锈。）2. He noticed the rust on the metal fence after it was moved.（他注意到这根金属围栏在被移动后出现了锈迹。）3. The car's engine has developed some rust over time.（这辆车的发动机随着时间的推移已经出现了一些锈迹。）"]
例句：
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1. The old iron door is covered in a thick layer of rust.
那扇旧铁门上覆盖着厚厚的一层铁锈。
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2. He noticed the rust on the metal fence after it was moved.
他注意到这根金属围栏在被移动后出现了锈迹。
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3. The car's engine has developed some rust over time.
这辆车的发动机随着时间的推移已经出现了一些锈迹。