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来源：雅诚德英语网
How does the blue compare to other catfish? What makes it special or especially interesting?
如何比较蓝鲶和其他鲶鱼？是什么令其特殊或是特别让人感兴趣？
How does the blue compare to other catfish? What makes it special or especially interesting?
如何比较蓝鲶和其他鲶鱼？是什么令其特殊或是特别让人感兴趣？