If the planet has an atmosphere like ours, it would need about 50 percent cloud cover to stay cool enough for liquid water to exist on the surface.

如果这颗行星有跟我们一样的大气层，就需要覆盖大约50%的云层来保持它足够凉，这样液态水才能在行星的表面存在。

youdao

Also aiding in the reliability of a system running completely on wind, water, and solar power, the authors say, is that it would need about a third less energy than a fossil-fired system.

另外，作者提到，为了维护完全依靠风能、水能和太阳能系统运营的稳定性，要借助第三个较少的能源，而不是靠化石燃烧的系统。

youdao

Overhead handles and rings, tell me about it! If god wanted us to be of the same height, he would have done so... we don't need the transport department helping us out there.

那些高高在上的扶手和拉环啊~如果上帝想让我们有同样的高度，他是会这样做的…。可是我们不需要运输部门再来气我们了。

youdao

It contained all the necessary information about the moon and stars that sailors would need to help them learn their longitude.

VOA: special.2010.07.14

I would think that it would approach inifinity, and I would need to think about it and get back to you in terms of why we don't actually hit it and see something with an infinite wavelength.

我会认为波长会接近无穷大，而且我需要考虑一下,然后返回来告诉你,为什么我们没有说对,为什么我们没有看到,无穷大波长的东西。

麻省理工公开课 - 化学原理课程节选

Depending on whether an object hitting us were a fast-moving comet or a slower asteroid, it would need to be about 2.5 miles across to set in motion the process of reducing light and destroying photosynthesis, without both of which Homo sapiens and the other forms of life on our planet could not survive.

FORBES: Space: Our Ticket to Survival

But former health minister Lord Warner argued that the NHS "hears the signals it wants to hear" and would take away the impression that it did not need to worry too much about competition and that reform could be delayed.

BBC: NHS 'needs radical change quite quickly'

When asked whether he supported a recent proposal by 12 white lawmakers for an apology to African Americans whose ancestors were brought to the United States as slaves, Clinton said he would need time to think about it.

CNN: AllPolitics - Clinton: Can U.S. Become A 'Truly Multiracial Democracy'?