She felt exhilarated with the speed.

这种速度令她兴奋不已。

《牛津词典》

The aeroplane will travel at twice the speed of sound.

飞机将以两倍于音速的速度飞行。

《柯林斯英汉双解大词典》

Your metabolic rate is the speed at which your body transforms food into energy.

你的新陈代谢率就是你身体将食物转换成能量的速度。

《柯林斯英汉双解大词典》

He says a new system is needed to meet the speed and complexity of a twenty-first century global economy.

VOA: special.2009.06.19

And then we have c, the speed of light, 2.998 times 10 to the 8 meters per second.

然后我们知道光速等于，2，998乘以10的8次方米每秒。

麻省理工公开课 - 化学原理课程节选

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

Many in the shipping industry oppose the speed limit, saying it would be too costly.

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This is a convergence of mobile portability with the speed and multifunctionality of fixed-line broadband.

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We're in a more inter-connected world, more travel, news and rumours spread at the speed of light.

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