kola

• 指可乐树，一种可结出含咖啡因的大颗棕色坚果（可乐果）的树木，其提取物可用作饮料调味和咖啡因来源。

A noun referring to a tree that produces large brown nuts containing caffeine, which are used as a source of cola extract.

1. B2formal

   A tropical tree that produces large brown nuts containing caffeine, used as a source for cola extract.

   可乐树

   • The kola tree is native to West Africa.
   • Farmers cultivate kola trees for their valuable nuts.
   • The kola nut is a key ingredient in many traditional beverages.

   同义词kola nut tree

2. B2formal

   The nut of the kola tree, which is chewed as a stimulant or used to flavor drinks.

   可乐果

   • He chewed a kola nut to stay awake during the long journey.
   • Kola nuts are often used in ceremonies in some cultures.
   • The extract from kola nuts gives cola its distinctive taste.

   同义词cola nutkola nut