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》

The new airplane flies at twice the speed of sound.

这架新式飞机以两倍于音速的速度飞行。

《新英汉大辞典》

I was amazed at his speed of working.

我对他工作的高速感到惊讶。

《柯林斯英汉双解大词典》

The findings suggest that even a half-hour walk at a quick speed every day could lower the risk of cognitive impairment.

VOA: special.2011.07.27

And so when you actually have a device the bits don't flow at the speed of light in reality.

因此，当你拥有一个设备,数据位并不能以现实中的光速传输。

哈佛公开课 - 计算机科学课程节选

Even though a hard drive spins at 7200 times per minute or even faster, that's relatively slower than the speed of light.

即使一个硬盘驱动器的转速达到每分钟7200次,甚至更快，仍然比光速慢。

哈佛公开课 - 计算机科学课程节选

Mr. Greenberg is the author of CRM at the Speed of Light, and a well known leader on this topic.

FORBES: A Packed Agenda On HR Collaborative Technologies And SocialCRM At Enterprise 2.0 Conference Santa Clara

These machines have 22 keys and are capable of typing at the speed of speech, around 180 words per minute, or three words every second.

BBC: Why do we all use Qwerty keyboards?

The quake off Sumatra happened at around 0800 local time, causing a giant rupture in the sea bed, which set a huge body of water moving at a speed of up to 700kph.

ECONOMIST: Deluged without warning | The