A kind of version of recreational sex as a reward for a lifetime of self-control.

一种休闲式的性,作为他们一辈子自控的奖赏。

耶鲁公开课 - 政治哲学导论课程节选

More recreational, Skinner was fond of teaching animals to play Ping-Pong.

更好玩的是，斯金纳喜欢教动物们打乒乓球。

耶鲁公开课 - 心理学导论课程节选

Now, neurotransmitters become interesting because a lot of psychopharmacology, both of the medical sort and the recreational sort, consists of fiddling with neurotransmitters and so you could see this through some examples.

神经递质非常的有意思,因为很多类型的精神药理学,不论是医疗类的还是消遣类的,都在研究对神经递质的控制,所以你们可以通过些例子来了解这一点

耶鲁公开课 - 心理学导论课程节选