cinchona [sɪŋ'koʊnə]

例句:

• Quinine: Alkaloid found in the bark of cinchona trees and shrubs.
  奎宁: 金鸡纳树皮中的生物碱,主要用于治疗疟疾.
  
• Colombian tree; source of Cartagena bark ( a cinchona bark ) .
  哥伦比亚树种; 卡塔赫 那的金鸡纳树种.
  
• Nearby grew a tree, nowadays known as Cinchona.
  附近长着一颗树, 现在知道是一棵金鸡纳树.