The Maldivian leader wants countries like his to embrace green technology, switch to clean energy, and show the way to those who are opposed to change.

VOA: standard.2009.11.09

All right. So we can switch all the way back to our notes here.

好了，我们可以转回到讲义上来。

麻省理工公开课 - 化学原理课程节选