英语词汇“astronomical twilight”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	astronomical twilight
释义	astronomical twilight noun : the period after sunset or before sunrise ending or beginning when the sun is about 18 degrees below the horizon
随便看	helopeltis helophyte helot helotiales helotism helotium helotry help help helpable helped helper helper helper cell helper t cell helpful helpfully helpfulness helping helping helping card helping hand helpingly helpless helplessly

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。