名词
中文翻译：Unknown
同义词：
['rust', 'rusty', 'rusting']
例句：
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1. The iron pipe is covered in a layer of rust.
这根铁管上覆盖着一层锈。
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2. He noticed that the paint on the old car was starting to rust.
他注意到那辆旧车油漆开始生锈了。
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3. The rusty nails were holding up the wooden planks.
锈迹斑斑的钉子支撑着木板。