He developed the theory of classical conditioning by making a distinction between two sorts of conditioning, two sorts of stimulus response relationships.

他通过区分两种条件作用,两种刺激反应关系，提出了经典条件作用理论。

耶鲁公开课 - 心理学导论课程节选

And it also brings us back to the lecture on behaviorism where we talked about classical conditioning and different theories of what people are afraid of.

这把我们带回到行为主义讲座中,我们谈论经典条件型反射,及人们害怕的不同理论。

耶鲁公开课 - 心理学导论课程节选

And I'm no scientist and I'm no specialist in sort of empirical matters, and believe me, I'm no authority on quantum mechanics, our best theory of fundamental physics.

我不是科学家,也不是实证方面的专家,相信我,关于量子力学,我并没有发言权,那可是基础物理中最经典的理论

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