specializes
v.
专门从事,专攻( specialize的第三人称单数 );
例句:
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She specializes in obstetrics.
她是产科专家.
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The cinema specializes in Italian films.
这家电影院专门放映意大利电影.
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She specializes in computer science.
她专攻计算机科学.
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Longini specializes in the mathematical and statistical theory of epidemics.
来自CNN
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Acme Packet specializes in technology known as session border controllers.
来自FORBES
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Ashmore is an UK-based investment manager that specializes in emerging-market credit investments.
来自WSJ