specializes

v.

专门从事，专攻( specialize的第三人称单数 )；

specialize in专门研究……

1. This shop specializes in chocolates.
   这个商店专门出售巧克力。
2. He specializes in oriental history.
   他专门研究东方史。
3. I specialize in the sale of cotton piece goods. May I act as your agent?
   我专营棉布买卖，我可作为你们的代理吗？
4. "A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more."
   "科幻小说不能简单地看成是供消遣的，而实际上它给读者展示更深刻的内容。"

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Unravelling the mysteries of a mesopelagic diet: a large apex predator specializes on small prey
Trade and Capital Flows: A Financial Frictions ...
Chloroplast YidC homolog Albino3 can functionally complement the bacterial YidC depletion strain and promote membrane insertion of b...
Terms of trade, economic growth, and trade patterns: a small open-economy case
A coordination model of the sexual division of labor
Non-varying sums of Lyapunov exponents of Abelian differentials in low genus
A Simple Sequentially Rejective Multiple Test Procedure
Teachers' Beliefs and Educational Research: Cleaning up a Messy Construct
Substitution, Risk Aversion, and the Temporal Behavior of Consumption and Asset Returns: An Empirical Analysis