| 书名 | What Makes Day and Night |
| 分类 | 外文原版-英文原版-童书 |
| 作者 | Franklyn M. Branley ;Arthur Dorros |
| 出版社 | HarperCollins; Revised |
| 下载 | 抱歉，不提供下载，请购买正版图书。 |
| 简介 | 内容推荐 ‘Accompanied by NASA photographs and Dorros’s colorful, lively drawings, the text explains the Earth’s rotation in clear and simple terms.An experiment using a lamp as the ‘sun’ further clarifies the principles introduced.’ —BL. |
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