developmental, which is the area which I focus mostly on,

发展心理学这是我的主要研究方向
which is trying to learn about how people develop and grow and learn;

研究人类是如何成长发育以及学习的
cognitive,

认知心理学
which is the one term of the five

也许是五个子领域里
that might be unfamiliar to some of you,

对你们有些人来说最不熟悉的一个领域
but it refers to a sort of computational approach to studying the mind,

它用计算机方法来研究心理
often viewing the mind on analogy with a computer

通常将心理比作计算机
and looking at how people do things like understand language,

并探究人类如何行动如言语理解
recognize objects, play games, and so on.

物体辨认游戏等等
There is social,

还有社会心理学
which is the study of how people act in groups,

主要研究人类的群体行为
how people act with other people.

如何与他人交流