单词	escalator
释义	escalatorescalator /ˈɛskəˌleɪt̮ɚ/ ●●○ noun [countable] Etymology ETYMOLOGYescalator Origin: 1900-2000 escalade to climb up (16-21 centuries) (from French, from Italian scalare) + elevator a set of stairs that move and carry people from one level within a building to another
随便看	radiography radioisotope radiologist radiology radiometric radiometrically radio telephone radio telescope radiotherapist radiotherapy radio wave radish radium radius radon radula raffia raffish raffishness raffle raft rafter rafting rag raga

英语词典包含48224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。