EN specialize
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{verbo}

specialize (anche: specialise)
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专营 [zhuānyíng] {v.}
specialize (anche: to specialize, specialise)
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专门研究 [zhuān mén yán jiū] {v.}
specialize (anche: to specialize, specializing, to major, specialise)
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专攻 [zhuān gōng] {v.}