日期:
来源:雅诚德英语网
Shortly after the Cambrian explosion, mud slides rapidly buried thousands of marine animals under conditions that favored fossilization.
寒武纪大爆发后不久,泥石流迅速将数千只海洋动物掩埋在有利于石化的条件下。
Shortly after the Cambrian explosion, mud slides rapidly buried thousands of marine animals under conditions that favored fossilization.
寒武纪大爆发后不久,泥石流迅速将数千只海洋动物掩埋在有利于石化的条件下。