名词
中文翻译：磨损
同义词：
['wear and tear', 'corrosion', "erosion例句：1. The old car's engine has been pitted with rust over the years.（这辆旧车多年来发动机上已经布满了锈迹。）"]
例句：
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1. The old car's engine has been pitted with rust over the years.
这辆旧车多年来发动机上已经布满了锈迹。
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2.The metal parts were pitted with scratches from handling.
金属部件由于处理而布满了划痕。
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3. The paint on the walls is starting to show signs of pitting wear.
墙上的油漆开始显示出磨损的迹象。