[255호]
Science & Nature
LEVEL 2
무료
Rainbow
Rainbows are colorful. We can see them after it rains.Sunlight goes through drops of water. Then, a rainbow appears!
Rainbows have seven colors. They are red, orange, yellow, green, blue, indigo,* and purple.
Rainbows are actually big circles. But we can only see half.
It looks like a colorful bridge!
* indigo 남색
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