地球的力量 第3集 冰川(19)不可磨滅的傷疤

In just days, it smashed a path from source toocean,

在短短的日子里洪水沖刷出一條從源頭到海洋的道路

for hundreds of miles,leaving behind a colossalcanyon.

長度有數(shù)百英里 留下了巨大的峽谷

And when the flood reached the sea,

當洪水到達海洋

it sent sediment shooting out vast distances across the ocean floor.

沉積物沖進海洋里在海底前行了廣闊的距離

The ice age flood had left behind extraordinary scars on the landscape.

冰河時代的洪水在陸地上留下了不可磨滅的傷疤

This was once a waterfall several times the width of Niagara.

這就是曾經(jīng)的瀑布相當于五倍的尼亞加拉河

These are giant ripples formed by the turbulent flood water.

這些是狂暴的洪水經(jīng)過后形成的巨大波紋

And huge potholes were created by whirlpools that drilled straight down into the rock.

還有巨大的地面洞穴 渦流如同鉆機般直穿巖石

The flood was so vast, it's difficult to imagine a catastrophe on this scale occurring today.

這次洪水是如此巨大 我們難以想象現(xiàn)在發(fā)生這種規(guī)模的災難

But we now know that as the ice advanced and retreated during the ice age,

我們知道，隨著冰河時代冰層的增加和減少

there were lots of floods on this scale in many parts of the world.

世界上許多地方都發(fā)生過這種規(guī)模的洪水