At the moment, I have to go through some of the more standard material before we go to the more non-standard material.

现在我将会讨论一些标准的形式,接着再去讨论一些不标准的形式

耶鲁公开课 - 基础物理课程节选

Now, I'm not introducing any genetic material at all so I don't have to worry about it replicating because there's no genetic material, all I do is deliver the particles.

这样就根本不用引入任何遗传物质,所以我也不需要担心它会复制,因为根本不存在任何遗传物质了,我所要做的只不过是接种部分微粒

耶鲁公开课 - 生物医学工程探索课程节选