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	primary rainbow primary rainbow [′prī‚mer·ē ′rān‚bō] (optics) The most common of the principal rainbow phenomena, which appears as an arc of angular radius of about 42° about the observer's antisolar point; it is the inner of two rainbows, whose light undergoes only one internal reflection, and which is narrower and brighter than the outer, or secondary, rainbow.
随便看	quieted one down quieted someone down quieted something down quieted them down quieted us down quieted you down quiet elegance woodturning quieten quieten down quietened down quietened her down quietened him down quietened me down quietened one down quietened someone down quietened something down quietened them down quietened us down quietened you down quietener quieten her down quieten him down quietening quietening down quietening her down

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