The stars being searched are hundreds of light years away, so it takes hundreds of years for their signal to reach us, and a further few hundred years for our reply to reach them.

被搜寻的星星离我们有几百光年远，所以它们的信号传到我们这里需要几百年，而我们的答复传到它们那里又需要几百年。

youdao

A recent annual study of countries and their ability to convert growth into well-being sheds some light on that question.

最近的一项针对各国概况及其将经济增长转化为人民福祉的能力的年度研究给这个问题提供了一些线索。

youdao

An opinion has it that it saw light in the period 200-300 A. D., the place of production being Kasmir.

它在200-300 A. D.时期看到了光，诞生地点是克什米尔。

youdao

"He ended up being the American Johann Strauss,Jr., the ultimate American composer of light, perfectly crafted orchestral music."

VOA: standard.2010.07.28

Usually not by much, but enough to give us things like color, which is a result of our perception different wavelengths of light being scattered by objects or media or both.

FORBES: Slowing the Speed of Light to a Crawl

Instead of the light being absorbed, energy is stored in the magnetic moment.

FORBES: Solar Power Without Solar Cells?

But the SRA makes clear that the scope and timing of the upgrade is currently being reviewed in the light of emerging information on costs and market requirements.

BBC: Capital station to be 'rebuilt'