英语词汇“perpetual night”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 night
释义	perpetual night noun : the period of nearly six months alternately at the earth's north and south poles when the sun does not rise compare perpetual day
随便看	orthogonal projection orthogonal system orthogonal trajectory orthogonalisation orthogonalise orthogonalised orthogonalises orthogonalising orthogonalities orthogonality orthogonalization orthogonalizations orthogonalize orthogonalized orthogonalizes orthogonalizing orthogonally orthograde orthograph orthographer orthographers orthographic orthographic projection orthographical orthographically

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 night