AIDS is a tremendous problem, deaths from HIV infection and AIDS a tremendous problem in Africa and other parts of the world.

艾滋病是一个巨大的问题,在非洲和世界其他地方,艾滋病毒感染和艾滋病带来的死亡,是一个巨大的问题

耶鲁公开课 - 生物医学工程探索课程节选

The Hepatitis B subunit vaccine was produced at the same time that HIV-AIDS was being recognized as a problem in this country.

在乙肝亚基疫苗研制出来的同时,在该国家艾滋病开始被视为问题

耶鲁公开课 - 生物医学工程探索课程节选