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	smith -smith Smith, Adam Smith, Bessie Smith, Dame Maggie Smith, Delia smithereens Smithfield Smith, Iain Duncan Smith, Ian Smith, John Smith, Joseph Smith, Ozzie Smith, Paul Smithsonian Institution Smith Square Smith, Winston smithy smitten smock smocking smog smoggy smoke smoke alarm

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。