在哈佛，70年代早期，她偶然看到一个有关动物如何学习的电视文献记录片。

There, in the early 1970s, she happened to see a television documentary about how animals learn.

youdao

在哈佛，70年代早期，她偶然看到一个有关动物如何学习的电视文献记录片。

There, in the early 1970s, she happened to see a television documentary about how animals learn.

youdao