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-现代词典

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	red grain beetle redgrape red grape red grass red-green blindness red groper red grouper red grouse red guard red gum red gurnard red hand red-handed red-hard evasive evasively evasiveness evasé eve eve eve evection evectional eve green evejar

英语词典包含332784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。