英语词汇“primary 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	primary rainbow
释义	WordReference Random House Unabridged Dictionary of American English © 2024 pri′mary rain′bow, Meteorologythe most commonly seen rainbow, formed by light rays that undergo a single internal reflection in a drop of water. Cf. secondary rainbow. 1785–95
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