名词
中文翻译：润滑膏
同义词：
['lubricant', 'grease']
例句：
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1.This lubricating cream is perfect for cleaning the car's engine.
这种润滑膏非常适合清洁汽车发动机。
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2. He applied the lubricating cream to his hands before starting work.
他在开始工作前，将润滑膏涂在手上。
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3.The old man used a lubricating cream to keep his joints from getting stiff.
老人使用润滑膏来保持关节不僵硬。