单词	spelunker
释义	spelunkingspe‧lunk‧ing /spəˈlʌŋkɪŋ/ noun [uncountable] American English Word Origin WORD ORIGINspelunking Origin: 1900-2000 Latin spelunca ‘cave’, from Greek spelynx the sport of walking and climbing in caves—spelunker noun [countable]
随便看	eagerly eagerness eagle eagle-eyed Eagle Scout eaglet Eagle, The Eakins, Thomas EAL Ealing comedy -ean EAP ear earache earbashing earbud earcuff ear drops eardrum earful Earhart, Amelia earhole earl earldom Earl Grey

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。