specialize

动词 specialize:

1. become more special
   同义词：specialise, narrow, narrow down
2. be specific about
   同义词：specify, particularize, particularise, specialise
3. suit to a special purpose
   同义词：specialise
4. devote oneself to a special area of work
   同义词：specialise
5. evolve so as to lead to a new species or develop in a way most suited to the environment
   同义词：speciate, differentiate, specialise

1. In collage I specialize in organic chemistry.
   在学院里我主修有机化学。
2. I specialize in the sale of cotton piece goods. May I act as your agent?
   我专营棉布买卖，我可作为你们的代理吗？
3. He specializes in oriental history.
   他专门研究东方史。
4. This shop specializes in chocolates.
   这个商店专门出售巧克力。