形容词专门的; 特化的; 特别的; 专科的

动词专门从事，专攻( specialise的过去式和过去分词 )

1. 专门的：specialise /特殊化/做专门研究/ | specialised /专门的/ | specialism /专门/专攻/

adj

1. developed or designed for a special activity or function

e.g. a specialized tool

Synonym: specialized