specialism
noun uk/ˈspeʃ.əl.ɪ.zəm/ us/ˈspeʃ.əl.ɪ.zəm/
[ C ] UK (US specialty)专业;专长
a subject that someone knows a lot about
His specialism is tax law. 他的专业是税法。
Synonyms: speciality (SUBJECT) specializationspecialty
[ U ]（学科的）专业化，专门化
limiting study or work to a few subjects
I don't think too much specialism in schools is a good idea. 我认为在学校不宜学得过专。