| 单词 | petrolatum |
| 释义 | Word Frequency petrolatum(ˌpɛtrəˈleɪtəm) noun a translucent gelatinous substance obtained from petroleum; used as a lubricant and in medicine as an ointment base and protective dressing Also called: mineral jelly, petroleum jellyWord origin C19: from petrol + Latin -atum -ate1 |
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