名词
中文翻译：机械油
同义词：
['engine oil', 'lubricatingoil']
例句：
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1. The engineneeds to be cleaned regularly to keep machineryrunning smoothly.
发动机需要定期清洁，以保持机器平稳运行。
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2. The new machine hasbeen designed with the latest technology to ensuremaximum efficiency.
新机器采用了最新的技术，以确保最大效率。
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3. The machinery was damaged duringthe construction process and needed to be repaired immediately.
在施工过程中，机械设备受损，需要立即修复。