Workers are clearing rubble in the hard-hit coastal neighborhoods and power and telecommunications have been restored in most parts of American Samoa.

VOA: standard.2009.10.06

So there's a lot of power in this, both engagement and both allowing students to get conceptual understandings of things that are very hard to understand and they're abstract.

所以这是很强大的，不论是参与性,还是使学生能更好,理解那些,很难的概念,很抽象的概念。

麻省理工公开课 - 媒体、教育、市场课程节选

When you're working on a file, it's saving constantly to RAM but also hopefully to disc, the hard disk so you don't actually lose it if the power goes off.

当你打开一个文件，它不断地保存在内存中,但对于光盘，硬盘,当你断开电源的时候，数据不会丢失。

哈佛公开课 - 计算机科学课程节选

A political scientist at the University of Zimbabwe, Eldred Masunungure, says the police are the most serious offenders of the political agreement and the hard core of top officers are determined to hang on to power for as long as possible.

VOA: standard.2009.09.15