英语词汇“civil twilight”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	civil twilight
释义	civil twilight noun : the period after sunset or before sunrise ending or beginning when the sun is about 6 degrees below the horizon and during which on clear days there is enough light for ordinary outdoor occupations
随便看	tetraxial tetraxile tetraxon tetraxonia tetraxonid tetraxonida tetraz tetraz- tetrazene tetrazine tetrazo- tetrazo tetrazo tetrazole tetrazolium tetrazolium tetrazolium chloride tetrazolyl tetrazooid tetrazotization tetrazotize tetrazzini tetrigid tetrigidae tetriodide

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