我们现在知道没有人被击中。

We know now that no one had been hit.

youdao

当然，我们现在知道，包括地球在内的行星都围绕太阳公转，而太阳系只是宇宙的一小部分。

Of course, we now know that the planets, including Earth, revolve around the Sun, and that the solar system is only a tiny part of the universe.

youdao

我们现在知道地球不是正圆形的球体。

We now know the Earth is not a perfect sphere.

youdao

So when I expand this gas adiabatically and it cools down, why do you think it might cool down?

现在我们知道了气体绝热膨胀时,温度会下载，为什么会降温？

麻省理工公开课 - 热力学与动力学课程节选

But it was there for over a thousand years, and we now know things to be a little different.

但是，它存在了超过1000年，我们现在知道的事情有点不一样。

麻省理工公开课 - 固态化学导论课程节选

So, we know now that we have charged particles. Are these negatively or positively charged based on this evidence?

弯曲的角度,现在我们知道,阴极射线是带电粒子,但从这个实验？

麻省理工公开课 - 化学原理课程节选