psychologic operations

例句：

1. 1. The study of psychology is a field of scientific inquiry.
   心理学研究是科学探究的一个领域。
2. 2. Psychology has become an important subject in education.
   心理学已成为教育中的一个重要课题。
3. 3.She was fascinated by the idea of studying psychology at university.
   她对在大学学习心理学的想法感到着迷。