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	Mahathir bin Mohamad mahatma Mahayana Mahdi Mahfouz, Naguib mahjong Mahler, Gustav mahogany mahout maid maiden maiden aunt maidenhead maidenly maiden name Maid Marian maid of honour Maid of Orleans maidservant Maigret mail mailbag mailbomb mailbox mail carrier

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。