dtbCOCA²⁴⁸¹²⁸BNC⁵²⁴⁴⁰ 基本例句 =2,4-dithiobiuret 2,4-二硫代缩二脲 However, this level of SPF is too low and not based on how people actually use sun creams, says an editorial in the influential Drug and Therapeutics Bulletin DTB. 然而，著名报刊《药物和疗法公报》的一篇社论指出，这个15F防晒水平太低，而且并不是以现实生活中人们是如何使用防晒霜为出发点的。 huanqiu