The most severe tornadoes can reach wind speeds of three hundred twenty kilometers an hour or more.

VOA: special.2010.05.11

This machinery is so precise that a human hair couldn't even pass between the heads and spinning platters, yet it all works in terrific speeds.

这些设备是很紧密的以至于人的头发,都不能在头和旋转的磁盘之间通过，尽管如此，它的运行速度非常快。

哈佛公开课 - 计算机科学课程节选

Suppose we all go to a tall building and start throwing things at various times and various speeds.

假设我们都爬上一栋高楼,在不同时刻以不同速度抛出物体

耶鲁公开课 - 基础物理课程节选

They were designed to fly at speeds up to six thousand four hundred kilometers an hour.

VOA: special.2010.07.07

Your computer looks like a typewriter, but a typewriter just speeds recording of information.

电脑长得很像打字机，但是打字机只能速记信息。

耶鲁公开课 - 金融市场课程节选

The F.C.C.wants one hundred million homes to have inexpensive Internet service at ten times current speeds.

VOA: special.2010.03.19

And the experimenter is back there with the speed knob and at random intervals he just speeds up the tape of their heart and then slows it down.

实验者回到实验室，带着录音设备,随机地,他加速了心跳的录音,然后又慢下来。

耶鲁公开课 - 心理学导论课程节选

This is because orbital debris travels at speeds of thirty-two thousand kilometers an hour or more.

VOA: special.2009.04.01

And it doesn't matter which slide he speeds up the tape of the heartbeat on, that's the one the subject is more likely to think is the person of their dreams, the person they're attracted to.

他在放哪张幻灯片的时候,加速录音并不重要，受试者更有可能认为,这个幻灯片上的人就是他的梦中情人。

耶鲁公开课 - 心理学导论课程节选

There was a new system of liquid nitrogen to keep the pilot cool and to resist the crushing force of gravity at high speeds.

VOA: special.2010.07.07

He discovered that galaxies are moving away from Earth at speeds between three hundred kilometers a second and one thousand eight hundred kilometers a second.

VOA: special.2009.04.29

With specially cooled tracks and racing equipment, it is not unusual for luge athletes to reach speeds of one hundred forty kilometers an hour or more.

VOA: special.2010.02.10

The Roadster can reach speeds up to about two hundred kilometers an hour.

VOA: special.2010.11.17

It would reach hypersonic speeds -- five times the speed of sound.

VOA: special.2010.07.07

Wind speeds of up to one hundred sixty kilometers an hour.

VOA: special.2010.06.30

Opposition activists complain that internet speeds were brought to dismally slow levels and that they were forced to use proxies to prevent their IP addresses from being detected.

VOA: standard.2009.11.14

Internet connection speeds in Iran are also reported to be extremely slow, amid word the government is again trying to hamper communications between Iranians and the outside world.

VOA: standard.2009.12.07

China is also catching up. Meanwhile in the U.S., the fastest train,known as Acela, reaches less than half those speeds and only operates between Washington, New York and Boston.

VOA: standard.2010.02.15

Dr.Craig Smith,the chief executive of Electro Optic Systems, says laser beams fired from the ground could protect astronauts and satellites by targeting space junk that travels at potentially devastating speeds.

VOA: standard.2010.07.24