specializing in 专业从事
specializing in technology 专注于技术
specializing in law 专门从事法律
A: What field are you specializing in?
A：你正专注于哪个领域？
B: I am specializing in artificial intelligence.
B：我正专注于人工智能。
1) 专注于某个领域
2) 专门从事某项工作
3) 专攻某门学科
1. 专门从事，专攻
verb
1. to devote oneself to a particular area of study, work, or interest
Synonym: focusing, concentrating