单词	extra-
释义	extra-extra- /ekstrə/ prefix Word Origin WORD ORIGINextra- Origin: Latin extra ‘outside’, from exter; ➔ EXTERNAL Examples EXAMPLES FROM OTHER DICTIONARIES extracurricular activities extramarital sex 1outside or beyond:  extragalactic (=outside our galaxy) extracellular (=outside a cell)2informal very or more than normal:  extra-large extra-strong extra-special
随便看	vertebra vertebral vertebrate vertex vertical vertical expansion vertical farm vertical farming vertically vertical portal vertiginous vertigo vert ramp verve very Very Reverend vespers Vespucci, Amerigo vessel vest vested vestibule vestige vestigial vestment

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。