| 词汇 | sebum | 
| 释义 | sebum  noun [ U ]  biology specialized uk/ˈsiː.bəm/ us/ˈsiː.bəm/  皮脂(皮肤上的皮脂腺产生的一种油性物质,可使头发光泽,预防皮肤变干) an oil-like substance produced by the sebaceous glands in the skin that makes hair shiny and prevents skin from becoming dry | 
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