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来源:雅诚德英语网
The Ediacara fossil formation, which contains the oldest known animal fossils, consists exclusively of soft-bodied forms.
包含已知最古老的动物化石的埃迪卡拉化石组,只含有软体动物。
The Ediacara fossil formation, which contains the oldest known animal fossils, consists exclusively of soft-bodied forms.
包含已知最古老的动物化石的埃迪卡拉化石组,只含有软体动物。