Five centuries ago there were perhaps 10m Amazonian Indians; now there are 700,000.

五世纪前此处可能有一千万亚马河流域的印地安人，现在该地只有700,000左右。

youdao

Five centuries ago there were perhaps 10m Amazonian Indians; now there are 700,000.

五世纪前此处可能有一千万亚马河流域的印地安人，现在该地只有700,000左右。

youdao