Well, one way to get proteins, and it was first used in Hepatitis B, is to find patients, find individuals who are already infected with Hepatitis B.

获得蛋白质的方法之一,也是首次用于制造乙型肝炎疫苗的方法,就是寻找患者,寻找到一些已经感染乙肝的患者

耶鲁公开课 - 生物医学工程探索课程节选

where all the beats, the b-generation in the 50s gathered and they used to sell banned books.

那里全是50年代时的反传统一代留下的书，那些书当时是禁书。

进步的旧金山 - SpeakingMax英语口语达人

I could have used if b is equal to 0, the answer is 1, that would have also worked.

如果b等于0的话，答案是1，这种情况也能解决。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, that particular sub unit vaccine was only used in people that are at high risk for acquiring Hepatitis B, that is, people that work in healthcare situations that are exposed to blood routinely as part of their job.

因此,那些特殊的亚基疫苗当时仅用于,极有可能感染乙肝的高危病人身上,也就是那些在日常工作中,频繁的接触血液的健康护理人员

耶鲁公开课 - 生物医学工程探索课程节选

Well, this is an approach that's been used in a variety of vaccines, most successfully with Hepatitis B, so the problem is where do you get these proteins?

这种方式,已经为许多种疫苗使用,乙型肝炎疫苗是最成功的,但问题是该从哪里获得这些蛋白质呢

耶鲁公开课 - 生物医学工程探索课程节选