And there are lots of solutions that chemists come up with -- there's always new techniques that allow us to do this, and these are just some of the first, and we'll go through them in a little bit of detail here.

的情况下研究或者发现它们,化学家们想出了很多的办法,人们发明新的技术来实现它，这些是最早遇到的一些问题，我们要稍微来,研究下它们的细节。

麻省理工公开课 - 化学原理课程节选