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| Dolphins | |
| 作者姓名： | 郝昌明 |
| 摘 要： | Dolphins(海豚) are not fish, but warm-blooded(温血的) animals. They live in groups, and speak to each other in their own language. In this they are like other animals, such as bees and birds. But dolphins are very different from almost all land animals. T |
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