这些克洛·维斯文化的古印第安人利用公园里发现的大量的黒曜岩来制造这样的切割工具和武器。

These Paleo-Indians, of the Clovis culture, used the significant amounts of obsidian found in the park to make such cutting tools and weapons.

youdao

这些克洛·维斯文化的古印第安人利用公园里发现的大量的黒曜岩来制造这样的切割工具和武器。

These Paleo-Indians, of the Clovis culture, used the significant amounts of obsidian found in the park to make such cutting tools and weapons.

youdao