Hair ' s natural shine is supplied by its own conditioner , sebum , an oil composed of waxes and fats and also containing a natural antiseptic that helps fight infection 头发的自然光泽来自它自身的护发素:油脂,它含有蜡和脂肪,还含有抗感染的自然抗菌剂。
Hair ' s natural shine is supplied by its own conditioner , sebum , an oil composed of waxes and fats and also containing a natural antiseptic that helps fight infection 头发的自然光泽来自它自身的护发素:油脂,它含有蜡和脂肪,还含有抗感染的自然抗菌剂。
The world health organization says that breastfeeding is the best way to provide babies with the nutrients and protection against infection they need to be healthy 世界卫生组织表示母乳喂养是为婴儿提供营养,增强抗感染的免疫力,保证他们健康成长的最好方式
Known technically as " oxygen therapeutics , " they aim to replace only oxygen - bearing red cells rather than whole blood with its additional plasma , platelets and infection - fighting white cells 在技术上被称为"氧气疗法" ,它们旨在替代的只是担负运送氧气的红细胞,并非血液的全部包括其他成分如血浆、血小板和抗感染的白细胞。
Hair ' s natural shine is supplied by its own conditioner , sebum , an oil composed of waxes and fats and also containing a natural antiseptic that helps fight infection . too much sebum results in greasy hair and conversely , too little sebum makes dry hair 头发的自然光泽来自它自身的护发素:油脂,它含有蜡和脂肪,还含有抗感染的自然抗菌剂。油脂含量过多会导致油性发质,相反,油脂含量过少则会导致干性发质。