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BNC: 21094 COCA: 16249

lubricant

Word family
Related topics: Industry, Engineering
lu·bri·cant /ˈluːbrɪkənt/ noun [countableC, uncountableU]  
TITEa substance such as oil that you put on surfaces that rub together, especially parts of a machine, in order to make them move smoothly and easily 润滑剂,润滑油
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lu·bri·cant noun
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