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新东方-柯林斯雅思备考词典
rainbow
英 [ˈreɪnbəʊ]
[NOUN]
rainbows
1. [C 可数名词] 彩虹
A rainbow is an arch of different colours that you can sometimes see in the sky when it is raining.
双语例句
例：silk and satin in every shade of the rainbow.
如彩虹般五颜六色的丝绸与锦缎。