Viruses, you know about viruses; variola, we're going to talk about next week which causes smallpox, influenza, which causes the flu and HIV of course which cause AIDS are some examples.

病毒 你们都知道病毒,像天花病毒,我们下周会讲的引起天花的病毒,还有引起流感的流感病毒,引起艾滋病的人类免疫缺陷病毒等等

生物医学工程探索课程节选 : 耶鲁公开课

You know about retroviruses, the most famous and important one at this time is HIV, which is a retrovirus.

你们应该听过逆转录病毒吧,现下最为知名而重要的 HIV,就是一种逆转录病毒

生物医学工程探索课程节选 : 耶鲁公开课

HIV, HIV is a natural virus that contains an enzyme in it.

IV,HIV是一种自然病毒,里面有一种酶

生物医学工程探索课程节选 : 耶鲁公开课