Light and Sound pdf epub mobi txt 电子书下载 2025

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出版者:

作者:Twist, Clint

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页数:24

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出版时间:2009-9

价格:$ 6.72

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isbn号码:9781846961915

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Harnessing children's natural curiosity about the world, this engaging series introduces kids to key science concepts through a simple question-and-answer format. The mechanics of sunlight, darkness, vibrations, and sound are simplified for young readers in this illuminating reference.