单词	septuagenarian
释义	septuagenariansep‧tu‧a‧ge‧nar‧i‧an /ˌseptʃuədʒəˈneəriən $ -ˈner-/ noun [countable] Word Origin WORD ORIGINseptuagenarian Origin: 1700-1800 Latin septuagenarius ‘containing seventy’, from septuaginta ‘seventy’ someone who is between 70 and 79 years old
随便看	fetlock fetter fetters fettle fetus feud feudal feudalism feudalistic fever fever blister fevered feverish feverishly few fey Feynman, Richard Phillips fez ff FHM FIA fiancé fiancée Fianna Fáil fiasco

英语词典包含52748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。