单词	acid-fast
释义	acid-fast adjective ac·​id-fast ˈa-səd-ˌfast  : not easily decolorized by acids Word History First Known Use 1903, in the meaning defined above Medical Definition acid-fast adjective ˈas-əd-ˌfast  : not easily decolorized by acids (as when stained) —used especially of bacteria and tissues
随便看	forsooth forsoother forsoothest forspeak forspeaking forspeaks forspending forspends forspent forspoke forspoken forss Forssman antibody Forssman antigen Forster Forster's tern forsterian forsterite Forstner bit forswear forswearing forswears forswore forsworn Forsyth

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。