The colors of rainbows
本文作者： Chen Youshen
彩虹的颜色Do you like rainbows? I like rainbows very much. They are colorful and beautiful.A rainbow has seven colors. They are red, orange, yellow, green, indigo (青色), blue and violet (紫色). We can’t see a rainbow often. If you see one, you are lucky. |  |
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