A panel of 27 experts with the UN Environment Program looked through previous UN reports to assess what economic activities generate the most pollution and use the most resources.

VOA: standard.2010.06.04

Last year for the pieces that do vary year to year a bit, last year's first problem set challenged students to write their first or maybe second or third program using this environment called Scratch.

去年的教材有些地方有略微改动，去年的第一个问题集是让学生,在Scratch环境下,写下自己的第一或第二个或第三个程序。

哈佛公开课 - 计算机科学课程节选

skittles So when you compile a program called A dot out, or skittles or wherever, and you double-click that program, or our in our command line environment, run it with dot slash skittles, that program is loaded Microsoft Word into memory just like Microsoft Word or whatever would be on your own computer.

当你编译一个程序a，out，或者,或其他的，你双击那个程序，或着在我们的命令环境中，采用，/skittles来运行它，那个程序被加载到,内存中，就像,或者你电脑上的其他程序。

哈佛公开课 - 计算机科学课程节选

The United Nations Environment Program said many inhabitants of towns in northeast Somalia suffered from diseases consistent with radiation sickness following a Tsunami in 2004, that may have stirred up tons of nuclear and toxic waste.

VOA: standard.2009.10.30