His speed was twenty-eight thousand kilometers an hour.

VOA: special.2009.06.17

For example, if we're talking about a pitcher, like Matsuzaka, we might want to know the speed of his average fastball.

举例来说，如果我们谈到一个投手，就像松阪，我们想知道他投出,快球的平均速度。

麻省理工公开课 - 化学原理课程节选

So let's think about it. This sucker, Mac AIR what's it got in there? That Air Mac, it's, see, it's got, its go-- my Air Mac, I don't know about John's, his is probably better, mine has 1.8 gigahertz speed.

再让我们来看看这台机器，它是什么配置呢？这台，是的，我的Mac，AIR，我不关心John的,他的可能还更好，我的CPU是1。8G的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Starting out as a technical skier, Whiteface also gave Weibrecht the chance to gradually increase his speed.

VOA: standard.2010.02.09

He was known for his strength, speed and skill.

VOA: special.2009.01.24

the best I can." Ohno could add to his Olympicsshort track speed skating medal total.

VOA: standard.2010.02.23