名词
中文翻译：Unknown
同义词：
['lubricant', 'grease', 'oil', 'fluid', 'adhesive', 'lubricating', 'lubricating agent', 'lubricant oil', 'lubricating fluid', 'lubricating agent', 'lubricating oil', 'lubricating fluid']
例句：
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1.The engine needs to be lubricated regularly to prevent wear and tear.
发动机需要定期润滑，以防止磨损。
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2. The machine is equipped with a lubricating system to ensure smooth operation.
这台机器配备了润滑系统，以确保顺畅运行。
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3. The lubricating oil in the engine helps to reduce friction and extend the life of the engine.
发动机中的润滑油有助于减少摩擦，延长发动机的使用寿命。