Project UltraSwan-这本书不错哟,强烈推荐！
我觉得 "Project UltraSwan" 这本书相当不错，强烈推荐！更多英文原版书与音频登录 91reading.com.cn 就要读英文网！这里拥有国内品种最全、数量最多的英文绘本与各类书籍！
Project UltraSwan |
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| 作者 (Author) | Osborn, Elinor |
| 等级 (MML) | MM LEVEL: 6.3 |
| 年级 (IL) | Medium Grades (MG 4-8) |
| 字数 (Words) | 9160 |
| 类型 (Fiction) | Non-Fiction |
| 书号 (ISBN) | 9780329462109 |
| 系列 (Series) | Scientists in the Field (Houghton Mifflin); |
| This book describes the life of large trumpeter swans, how they nearly became extinct, and efforts to help them relearn migration routes and to reintroduce them to the eastern United States. | |
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