在留声机厅里，顾客通过单只耳道听录音，从一台机器转到另一台，听不同的演讲录音或音乐片段。

In the phonograph parlors, customers listened to recordings through individual ear tubes, moving from one machine to the next to hear different recorded speeches or pieces of music.

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学生可以学着构建一个应用程序，为机器人编程，或是探索音乐制作的世界。

Students can learn to build an app, program a robot, or explore (探索) the world of music production.

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到目前为止，学校已经引进了四个机器人老师，其中一个是语言老师，可以说23种语言，并且可以随着音乐跳舞。

So far the school has introduced four robot teachers, one of whom is a language teacher that can speak 23 languages and dance to music.

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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