Okay, and you can hear him sort of-- he didn't go-- You could hear him slide that leading tone up into the tonic in that case.
你可以听到,他并没有,大家可以听出,他是从导音,滑到了主音
And the engineering part of that is sort of the part that I talked about in one slide, when I talked about how do you convert this scientific advance into something that can be delivered all over the world.
这其中的工程部分就是,我曾经在一个幻灯片中讲过的,在我讲到,如何将先进的科学技术成果转化为,可以在世界范围传播的东西
Those B-cells also mature, they differentiate and that's what's shown on this slide here is the differentiation of those immature B-cells into mature B-cells.
这些B细胞也会变成熟,并且进行分化,这都展示在幻灯片上了,未成熟的B细胞分化为成熟的B细胞
This solves a major problem which I'm going to talk about just at the beginning of class here in a slide or two, is how to get DNA into cells?
这解决了我要讲到的一个主要问题,就是在这节开始的一两张幻灯片中要讲的,怎样将DNA导入细胞的问题
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