英语词汇“secondary rainbow”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	secondary rainbow
释义	DictionarySeerainbow secondary rainbow secondary rainbow [′sek·ən‚der·ē ′rān‚bō] (optics) A faint rainbow of angular radius about 50° which may appear outside the primary rainbow of 42° radius, and which has its colors in reverse order to those of the primary. Also known as secondary bow. MedicalSeeRainbow
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