One of the things they can do is suck, and these babies would suck on a pacifier to hear French.

他们能做的事情之一就是吮吸,这些婴儿听到法语时会去吮吸奶嘴

耶鲁公开课 - 心理学导论课程节选

One of the few things babies can do is they could suck on a pacifier.

吮吸奶嘴是婴儿能够做到的,为数不多的事情之一

耶鲁公开课 - 心理学导论课程节选

Well, for instance, you could build machines that when babies suck on a pacifier they hear music or they hear language, and then you could look at how much they suck on the pacifier to determine what they like.

举例来说,你可以制造一个机器,每当婴儿吮吸奶嘴,他们就会听到音乐或是话语,然后你可通过观察婴儿有多喜欢吮吸奶嘴,来确定他们喜欢音乐还是话语

耶鲁公开课 - 心理学导论课程节选