单词 | spectral colors |
例句 | DEFINITIVE EXAMPLES 权威例句〔rainbow〕An arc of all seven spectral colors appearing in the sky opposite the sun as a result of the refractive dispersion of sunlight in drops of rain or mist.彩虹:由于雨滴或雾滴对阳光有折射分光作用,使空中太阳对面出现的一道有七色光谱的弧美国传统 |
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