malarial

1.Malarial poison had sallowed his skin.

疟疾毒使他皮肤成灰黄色。

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.

他知识带给他的百姓，他们种树皮叫做奎那-奎那，他们学会了用它来治疗疟疾的。