quina

It is thought that the people of our hero have passed on their knowledge of extraction of a chemical known as quinine from quina-quina to missionaries.

认为我英雄的人已经从奎那-奎那中提取一种称为奎宁的化物质的知识传递给了传士。

He brought the knowledge to his people, who called this bark quina-quina and they learned to use it to cure the malarial fever.

把这个知识带给的百姓，把这种树皮叫做奎那-奎那，了用它来治疗疟疾的发热。