rainbow 英[?reinb?u] 美[?ren?bo] 复数：rainbows n. 1.彩虹 名词 n.1.彩虹 When the sun shines through a light rain, it makes a rainbow.当太阳的光线穿过小雨时便形成了虹。A bright rainbow arched above.一弯明亮的彩虹悬挂在天空。The rainbow forms an arc in the sky.彩虹在天空中呈一个弧形。The rainbow described an arc in the dark sky.彩虹在昏暗的天空划出了一道圆弧。At sight of the rainbow, the children were more glad than the parents.看见彩虹, 孩子们比大人更高兴。