ocean floor rocks

Over time , ocean floor rocks were forced together and pushed upward at a speed of up to 11 centimeters ( 4.5 in ) per year , eventually reaching the current position .

随着时间的推移，海底岩石因受挤压而聚拢在一起，并且以每年11厘米（4.5英寸）的速度上升，最终形成了现在的高度。

Over time , ocean floor rocks were forced together and pushed upward at a speed of up to 11 centimeters ( 4.5 in ) per year , eventually reaching the current position . The upper formations of Everest now contain marine fossils of sea creatures and shells that once occupied the earlier ocean .

随着时间的推移，海底岩石因受挤压而聚拢在一起，并且以每年11厘米（4.5英寸）的速度上升，最终形成了现在的高度。我们如今仍能在珠穆朗玛峰的上面部分见到几亿年前的海生物和贝壳化石。