When Pepperberg began her dialogue with Alex, many scientists believed animals were incap able of any thought.

当派珀博格开始与埃里克斯对话时，许多科学家认为动物不能进行任何思维。

youdao

When Pepperberg began her dialogue with Alex, many scientists believed animals were incap able of any thought.

当派珀博格开始与埃里克斯对话时，许多科学家认为动物不能进行任何思维。

youdao