例句
I understood the psychology of this, but it still hurt.
我理解这种心理，但这仍然让我感到伤心。
It was not until the mid-twentieth century that psychology really came into its own.
直到20世纪中叶心理学才得到应有的重视。
His speciality was psychology -- one important branch on the great tree of knowledge.
他的专业是心理学，这是知识之树上的一个重要分枝。