"We have all seen that,first hand, when Americans responded to the tsunami or to Katrina, or the earthquake in Pakistan.

VOA: standard.2010.01.16

And, believe it or not, I have students walk in and first thing a hand goes up and says do you have a pen? I cannot believe it.

不管信不信，我有些学生走进来，第一件事就举起手问,你有没有笔，难以置信。

麻省理工公开课 - 固态化学导论课程节选

For those of you don't know what that is it's simply an instrument that counts radioactive particles in the air, and MIT now that you're at MIT, you'll all have a chance to see one first hand if you're ever in any of the labs, especially in the chemistry or bio labs.

不知道它是什么,它就是一个简单的,计算在空气中放射粒子数目的仪器,你们现在来了，如果你们在实验室里工作的话,尤其是化学和生物实验室，你们有很多机会亲手用到它。

麻省理工公开课 - 化学原理课程节选

MCC Director Irene Paxia grew up in Italy, and knows first-hand how language barriers can waste precious time in emergencies.

VOA: standard.2010.07.22

In their first year alone, workers in two little factories hand-rolled more than 1 million cigars.

VOA: standard.2010.04.15

Of course,being the son of a famous Hollywood film star allowed him to go backstage and meet some of these musicians first hand, particularly at The Monterey Jazz Festival and the Hollywood Bowl in California.

VOA: standard.2010.04.16