You infect them with the virus, and you let the cells, in culture, produce the virus.

再用病毒感染它们,使培养基中的细胞产生病毒

耶鲁公开课 - 生物医学工程探索课程节选

They often kill the cells that they infect, and that's a problem with viruses.

它们经常杀死被感染的细胞,这是病毒的一大危害

耶鲁公开课 - 生物医学工程探索课程节选