大多数专家认为他们从现在俄罗斯境内的西伯利亚到达西半球的。

Most experts believe they crossed to the western hemisphere from the part of Russia now called Siberia.

youdao

大多数专家认为他们从现在俄罗斯境内的西伯利亚到达西半球的。

Most experts believe they crossed to the western hemisphere from the part of Russia now called Siberia.

youdao