英语词汇“perpetual day”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	perpetual day
释义	perpetual day noun : the period of nearly six months alternately at the earth's north and south poles when the sun does not set compare perpetual night
随便看	graecising graecism graecisms graecized graecizes graecizing graeco- graecophiles graff graffiti graffitied graffitiing graffiting graffitis graffitist graffitists graffito graft graft hybrid graft-ver graft-versus-host disease graftage graftages grafted grafter

英语词典包含469781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。

perpetual day