The Hepatitis B vaccine I talked about before produced by recombinant DNA technologies, called Recombivax HB, that's one version of it.

我曾经提到过的通过DNA重组技术,制造的乙型肝炎疫苗,被称作重组乙型肝炎疫苗,那是该疫苗的型号之一

耶鲁公开课 - 生物医学工程探索课程节选