And one problem is that "For depression" is that there's too little of a neurotransmitter known as serotonin.

抑郁症的问题就在于,缺乏一种叫做血清素的神经递质

耶鲁公开课 - 心理学导论课程节选

Botox is an injection of a molecule, or a complex molecule but a molecule, so in what ways would that be Biomedical Engineering?

肉毒杆菌素是一种注射用分子,或者说是一种复杂的分子,但它只是一种分子,它与生物医学工程有怎样的联系呢

耶鲁公开课 - 生物医学工程探索课程节选

Enzymes, thyroid, etc., the abs, the serotonin, you can pick some part of the body.

比如,酶,甲状腺素等等,还有生物素,血清素,你也可以选择身体的某一部位来写

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选