beringia

Beringia was a vast land bridge that once connected Asia and North America.

白令陆桥曾经是连接亚洲和北美洲的一个广阔的大陆桥。

The study of Beringia is very important for understanding the history of the earth.

对白令陆桥的研究对于理解地球的历史非常重要。