Even if ET has mastered building a rocket that can travel at the speed of light, he may be lying dead inside a weakened craft .

即使外星人已经掌握了制造一枚能以光速飞行的火箭的技术，他也可能死在了一架飞船里。

youdao

Today people and goods travel by jet aircraft and fast ships, and information is transmitted at the speed of light over the Internet.

人和货物通过喷气式飞机和快船来流动，而信息是通过互联网以光的速度传送。

youdao

If you could move at the speed of light, your time would stand still, if you could move faster than light, your time would move backward.

如果你能以光速运动，你的时间就会静止不动；如果你能以快于光速的速度运动，你的时间就会倒退。

youdao

Super-fast Internet connections let people watch movies and send huge amounts of information at the speed of light.

VOA: special.2010.09.01

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

If you're a doctor and you've got a patient who's running away from you at the speed of light, you'll know what to do.

如果你是个医生,你的一个病人以光速逃跑了,你就知道该怎么办了

耶鲁公开课 - 基础物理课程节选

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

BBC: How are humans going to become extinct?

Large transactions have been hurtling around the globe at the speed of light for years.

CNN: Cash -- or E-Money?

One peculiarity of massless particles is that they have to travel at the speed of light.

ECONOMIST: Cosmology