This was the first Summit of the Americas to be held in a Caribbean nation, and was notable for a virtual absence of protesters.

VOA: standard.2009.04.19

The way we use technology to overcome that is we have a lot of simulations and visualizations set up, built around in the virtual spaces.

我们用技术来解决这个问题的方法,是我们用很多模拟实验,以及直观化实验，放在模拟空间里。

麻省理工公开课 - 媒体、教育、市场课程节选

So, I mean, they're vital and, you know, to make a virtual character,

所以，我是说，他们很重要，你知道做一个虚拟的人物，

没有特效的话 - SpeakingMax英语口语达人

Mr.Mousavi remains under a virtual house-arrest and has been prevented from using either government TV or the local press to speak to the Iranian people.

VOA: standard.2009.10.19

And in fact, language allows us to produce a virtual infinity of sentences.

事实上,语言使得我们能够,创造出近乎无限的句子

耶鲁公开课 - 心理学导论课程节选

Dr.Mahadevappa Mahesh, a professor of Radiology and Medicine at Johns Hopkins University School of Medicine, says virtual colonoscopies can save the lives of many patients.

VOA: standard.2010.04.07

It's neither in the text nor in the reader but the result of the negotiation back and forth between the text and the reader, he says, that sort of brings the literary work into existence in a virtual space.

它不在文本中，也不在读者的视域中,而在反复阅读文本和读者的视域之中，他说，那样会把文学作品,放到一个虚拟的空间中去。

耶鲁公开课 - 文学理论导论课程节选

A representative who co-sponsored the measure described body scans as a "virtual strip search" that the American public should not be subjected to, and suggested using explosives-sniffing dogs as a less-invasive method of detection.

VOA: standard.2009.12.30