It's got two shots of caffeinated espresso in it.

有双倍的咖啡因在里面。

耶鲁公开课 - 心理学导论课程节选

It's got two shots of caffeinated espresso.

它带了双倍浓度的咖啡因。

耶鲁公开课 - 心理学导论课程节选

And it is almost like being in love except what it really is is two shots of caffeinated espresso causing a rapid heart rate an increase in respiration, sweaty palms, but I don't realize--she doesn't realize that's what it is.

跟恋爱一样的感觉,其实什么都不是,而是双倍浓度的咖啡因,导致心跳加速,呼吸急促，掌心冒汗，但我没意识到--她没意识到那是什么。

耶鲁公开课 - 心理学导论课程节选