specialize /ˈspɛʃəˌlaɪz/ CET4 TEM4 ( specializing, specialized, specializes )

BRIT also specialise

• 1. 

  V-I If you specialize in a thing, you know a lot about it and concentrate a great deal of your time and energy on it, especially in your work or when you are studying or training. You also use specialize to talk about a restaurant which concentrates on a particular type of food. (在某事物上) 有专长

  例：

  ...a University professor who specializes in the history of the Russian empire.

  …一位专门研究沙俄历史的大学教授。

• 2. 

  specialization N-VAR 专门研究

  例：

  This degree offers a major specialization in social policy alongside a course in sociology.

  该学位提供一门社会政策主专业课和一门社会学课程。