冰川

The deep crevasse yawned at their feet.

他们脚下的冰川有一道深深的裂缝.

Two main glacial epochs affected both areas during the last 100 million years of Precambrian times.

在前寒武纪的最后1亿年中，两个主要的冰川时期对两个地区都产生了影响。

Ice sheets are broad glaciers that blanket whole regions.

冰盖则是能把整个地区覆盖起来的广阔冰川.

These ridges formed by glaciers or lava flows are called moraines.

由冰川和熔岩形成的侧脊叫冰碛.

It has ice and snow glaciers, rainforests and beautiful mountains.

既有冰川, 又有雨林和秀丽的山峰.

The U-shape of some glacial valleys may be due also to deposition.

某些U型冰川谷也可能起因于沉积作用.

Rock underlying glaciers is eroded by plucking.

冰川下面的岩石则是通过拔削作用被侵蚀的.

Valley glaciers are typical of lofty mountain ranges the world over.

山谷冰川是世界上那些巍峨耸立的山脉所具有的特征.

In fact, over 85 % of the earth's entire fresh water is found in the polar ice.

实际上, 地球上总淡水量的85%以上见之于极地冰川.

Glaciers gouged out valleys from the hills.

冰川把丘陵地带冲出一条条山谷.

These ridges were formed by glaciers.

这些侧脊是由冰川形成的.

Valley glaciers are confined to valleys in mountainous terrain.

山谷冰川只限于多山地带的山谷.

The melting ice caused a rise in sea level.

冰川消融造成海平面上升。

The best bit was walking along the glacier.

最好的部分就是沿着冰川走。

The upper surface of glacier is riven by crevasses.

冰川的上表面已裂成冰隙.