co·la nut /ˈkolə-/ 名詞
  可拉果
  Cola nut, Cola seed . Bot. The bitter fruit of Cola acuminata, which is nearly as large as a chestnut, and furnishes a stimulant, which is used in medicine.
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  cola nut
       n : bitter brown seed containing caffein; source of cola extract
           [syn: kola nut]