v.專攻

He specializes in oriental history. 他專門研究東方史。

I specialize in the sale of cotton piece goods. May I act as your agent? 我專營(yíng)棉布買賣，我可作為你們的代理嗎？

"A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more." "科幻小說(shuō)不能簡(jiǎn)單地看成是供消遣的，而實(shí)際上它給讀者展示更深刻的內(nèi)容。"

在英式英語(yǔ)中,specialize也可拼作specialise。