concentrate on and become expert in a particular subject or skill
专攻,专门研究;成为…的专家
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he could specialize in tropical medicine. 他有可能专门研究热带医药。
confine oneself to providing a particular product or service
专营
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the firm specialized in commercial brochures. 这家公司专门生产商业手册。
make a habit of engaging in a particular activity
专门从事(某项活动)
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a group of writers have specialized in attacking the society they live in. 有一群作家专门攻击他们生存的社会。
[with obj.](常作
【生】 使(器官)专化,使特化
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zooids specialized for different functions. 为适应不同的功能而专化的游动孢子。
"early 17th cent.: from French