Translation of "rainbow" - English-Mandarin Chinese dictionary

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rainbownoun [ C ]

uk /ˈreɪn.bəʊ/ us /-boʊ/

B2 an arch (= curved shape) of different colours seen in the sky when rain is falling and the sun is shining

The sun came out and we saw a rainbow.
The tropical butterfly's wings were shimmering with all the colours of the rainbow. 热带蝴蝶的翅膀像彩虹一样闪烁着五彩缤纷的色彩。

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(Translation of “rainbow” from the Cambridge English-Chinese (Simplified) Dictionary © Cambridge University Press)