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	linguistics linguistry linguists linguiça lingulae lingulas lingulate lingulated Lingulella lingulid Lingulidae linguliferous linguloid linguo- lingy linhay linhays linier liniest liniment liniments lining lining bar lining figure lining leather

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