- I specialize in medieval history.
- She will specialize in American history.
- What did you specialize in at university?
- He decided to specialize in physics at college.
- We specialize in the import of machinery parts.
- The number of students who specialize in biology will increase from now on.
- Professional translators quite often specialize in just one field, for example law or medicine.
- I wore several hats at my last office so I'd like to specialize this time.