名词
中文翻译：引擎清洗
同义词：
['car wash', 'vehicle wash']
例句：
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1.The mechanics are cleaning the engine afterthe long journey.
长途旅行后，机械师正在清洗引擎。
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2. The car was washedbefore it was put on display.
这辆车在展出前被洗过。
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3. The companyoffers a free engine wash for all itscustomers.
该公司对所有客户提供免费的引擎清洗服务。