The fact that both horses and mammoths were here suggests these forests weren’t. It seems that, 14,000 years ago, Beringia was a huge expanse of open grassland.

This unique habitat of cold, dry grasslands is known as mammoths’ steppe. But that’s not how the region looks today. So why is it so different?

Fourteen thousand years ago, the climate here was heavily influenced by the vast blankets

1 grassland

n.牧场，草地，草原

参考例句：

There is a reach of grassland in the distance.远处是连绵一片的草原。

The snowstorm swept the vast expanse of grassland.暴风雪袭击了辽阔的草原。

2 grasslands

n.草原，牧场( grassland的名词复数 )

参考例句：

Songs were heard ringing loud and clear over the grasslands. 草原上扬起清亮激越的歌声。 来自《现代汉英综合大词典》

Grasslands have been broken and planted to wheat. 草原已经开垦出来，种上了小麦。 来自《简明英汉词典》