It enables the user to control the speed and sound levels of orchestral music playing on a computer.

VOA: special.2011.05.11

- Part of the challenge is speed, too, how quickly you can get these answers in terms of getting them in on time.

部分困难也会来自于速度，你多快能做出答案,能否在规定的时间做完。

麻省理工公开课 - 化学原理课程节选

You put a chunk of wood on a table and you try to move it at constant speed.

你把一大块木头放在桌子上,试着让它匀速运动

耶鲁公开课 - 基础物理课程节选

Scientists use the Saffir-Simpson Hurricane Scale to measure the intensity of storms based on wind speed.

VOA: special.2010.08.24

And you can hear them together, Yeats moving from one to another with, oh, incredible speed and agility in that final strophe of the poem, on the next page.

而你可以听出所有，在诗的第三节中，叶芝转换得很快,很敏捷，翻到下一页。

耶鲁公开课 - 现代诗歌课程节选

We simply cannot do it. And so as a consequence, what I am doing is I am being briefed consistently, my national security team is fully up to speed on it.

VOA: special.2009.01.10

It means, when you are accelerating upwards, as the elevator picks up speed, the reading on the spring will be more and you will feel heavy.

也就是说当你向上做加速运动时,就像电梯加速的时候,弹簧的读数会增大,你会觉得自己变重了

耶鲁公开课 - 基础物理课程节选

Gemini Seven continued to speed on.

VOA: special.2009.07.01

Investigators near the town of Bologoye are looking for clues into what caused the deadly incident on the Nevski Express high-speed luxury train.

VOA: standard.2009.11.27

President Obama said he will speed discussions on Russia's entry into the World Trade Organization.

VOA: standard.2010.06.24

The revelation triggered a wave of condemnation on the House floor, with Republicans j oining Democrats in calls to speed passage of new sanctions legislation.

VOA: standard.2009.09.25

In Europe and Asia they are dedicated tracks where only high-speed trains operate on.

VOA: standard.2010.02.15

What's going on now is helping less developed countries like those in East Africa to come up to speed and be prepared for this sort of event,"

VOA: standard.2009.04.28

The European Commission's annual progress report on Turkish membership said Ankara has made some improvements on handling of human rights but said Turkey needs to speed up reforms to boost its chances of joining the bloc.

VOA: standard.2009.10.15