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| The Amazing Facts About Sound | |
| 作者： | Buffy Silverman |
| 出版社： | Britannica Digital Learning |
| 組合： | Read and Discover Series (Primary)_II |
| 簡介： | This book introduces students to the concept of sound. How can sounds be heard but not seen? How does sound travel through air and at what rate of speed? |
| 標籤： | 物理, 科普, 英文 |
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