make a speciality of

• 以； 专门研究

make a speciality of的用法和样例：

例句

1. He drank a cup of strong tea to sober himself up.
   他喝下一杯浓茶以使自己清醒过来。
2. She intends to make teaching her profession.
   她想以教书为职业。
3. His area of concentration is nuclear physics.
   他的专门研究范围是原子物理学。
4. A person specializing in canon law is respectable.
   对教规有专门研究的人很值得尊敬。