All these large forest animals have come here to collect an essential element of their diet that lies buried beneath the mud. 所有的这些森林动物来到这里 收集埋在泥下的对身体有益的微量元素
These are nunataks, the exposed peaks of vast mountain ranges buried in ice over a mile deep. 这些“冰原岛峰”下面是深埋在深达一英里的冰层里的庞大山脉