Noun:

1. the oily secretion of the sebaceous glands; with perspiration it moistens and protects the skin

Sefu塞富SEabbr.东南；音响效果；二次发射；标准英语（= southeast；sound effect；seconday emmision；standard English)seborrheic-like psoriasis脂溢性皮炎样银屑病sevoflurane preconditioning七氟醚预处理Sejournet extrusion process赛茹尔玻璃润滑热挤压法Sekiyen goro eyen golmin.源远流长。Se-rich caaronaceous rock富硒碳质岩seure multiparty technology安全多方技术Se-rich carbonaceous rock富硒碳质岩sebaceous trichofolliculoma皮脂毛囊瘤sebaceous cyst of chest wall胸壁皮脂囊肿sebaceous nevus of Jadassohn脂腺痣

1. The sebum travels through these passages.
   皮脂就从这些毛发经过。
2. As a result, sebum production decreases, which reduces acne.
   因此，减少皮脂的产生，从而减少粉刺。