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Why Do Rainbows Have So Many Colors?
Jennifer Shand
出版Flowerpot Press, 2014
ISBN14867054999781486705498
URLhttp://books.google.com.hk/books?id=9HfFtwEACAAJ&hl=&source=gbs_api
註釋Why do rainbows have so many colors? Come along and explore the world of nature and have fun learning what an amazing world it is!