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动物救护：动物园的应有之义
如果你遇到了一只受伤的动物，你会去寻求谁的帮助？其实野生动物救护中心就是一个合适的选择。今天，我们就去一座野生动物救护中心看一看。（出品：科普中国-星空计划）
科普中国 星空计划157/251
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