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来源：雅诚德英语网
Why does the speaker choose that amphibian as her representative of a public creature?
为什么那位演讲者要选择这种两栖动物作为公众生物的代表呢？
Why does the speaker choose that amphibian as her representative of a public creature?
为什么那位演讲者要选择这种两栖动物作为公众生物的代表呢？