单词	SPF
释义	SPF abbreviation sun protection factor Medical Definition SPF noun ˌes-(ˌ)pē-ˈef  : a number assigned to a sunscreen that is the factor by which the time required for unprotected skin to become sunburned is increased when the sunscreen is used called also sun protection factor
随便看	silk spider silk sponge silk stockings silk system silk tassel silk thrower silk throwster silk tree silk wire silk-cotton family silk-cotton tree paper doll paper factor paper finger paper folding paper foot paper gold paper guide paper hornet paper hunt paper joint paper knife paper machine paper match paper money

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。