And it turns out that the dog— when they zapped part of its brain, its leg would kick up.

结果是那只狗,当研究者们电击某个大脑区域时,狗的四肢便会乱踢起来

耶鲁公开课 - 心理学导论课程节选

And he had to attach something to dogs so that their saliva would pour out so he could study saliva.

他给狗套上了一些装置,来收集狗的唾液用以研究。

耶鲁公开课 - 心理学导论课程节选

This is Pavlov's famous dog and it's an example of scientific serendipity.

这便是巴甫洛夫的那条著名的狗,这是一个科学研究中的意外。

耶鲁公开课 - 心理学导论课程节选