1.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将-中提取一种称为宁的化学物质的知识传递给了传士。
2.He brought the knowledge to his people, who called this bark quina-quina and they learned to use it to cure the malarial fever.