1. 专门研究：special 特殊 | specialise 专门研究 | specialism 专攻

2.

2. 特殊化/做专门研究：spec. /规格/ | specialise /特殊化/做专门研究/ | specialised /专门的/

3. 做专门研究：specialdetachmentcommandoanarmedsecretagentsquad 别动队 | specialise 做专门研究 | specialisedspecialized 专门的

4. 专门研究,主攻：310. source 来源、源头 | 311. specialise 专门研究,主攻 | 312. specific; concrete; tangible具体的

1. -> see specialize

1. evolve so as to lead to a new species or develop in a way most suited to the environment

    Synonym: speciatedifferentiatespecialize

2. become more focus on an area of activity or field of study

    e.g. She specializes in Near Eastern history

    Synonym: specializenarrownarrow down

3. suit to a special purpose

    e.g. specialize one''s research
           this kind of beak has become specialized in certain Galapagos finches

    Synonym: specialize

4. be specific about

    e.g. Could you please specify your criticism of my paper?

    Synonym: specifyparticularizeparticularisespecialize

5. devote oneself to a special area of work

    e.g. She specializes in honey bees
           This baker specializes in French bread

    Synonym: specialize