perspicacity
noun [ U ] formal approving uk/ˌpɜː.spɪˈkæs.ə.ti/ us/ˌpɝː.spɪˈkæs.ə.t̬i/
聪颖;敏锐
the ability to understand things quickly and make accurate judgments
a woman of exceptional perspicacity 极其聪颖的女人
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