单词	spelunking
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	claustrophobia claustrophobic clavichord clavicle claw clay Clay, Cassius clay pigeon shooting clean clean-cut cleaner cleaning cleanliness cleanly cleanness cleanse cleanser clean-shaven cleantech clean-up clear clearance clearance sale Clearasil clear-cut

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。