Now, if this incident energy is great enough it will take an electron out of the ground state and promote it.

现在，如果入射能足够的话,它会将一个电子从基态中释放出来,并且加速它。

麻省理工公开课 - 固态化学导论课程节选

It gets popped off the stack as one says and so you know what the values actually as we've hinted at with our brief discussions of forensics they're actually still there.

它从堆中释放了,那些值是什么，就像我们讨论的辩论练习,所暗示的,我们还在那里。

哈佛公开课 - 计算机科学课程节选

So, if you use a black lamp or something and you excite something up to a higher energy level and then it relaxes back down to its lower energy state, it's going to emit a new wavelength of light, which is going to be visible to you.

如果你用一个紫外灯或别的,东西把某种分子激发到,更高的能级，然后它会掉回,到低能级，它就会释放,一个新的波长的光,这个光是可见的。

麻省理工公开课 - 化学原理课程节选

And it is given off in the form of a photon.

它一个光能的形式释放。

麻省理工公开课 - 固态化学导论课程节选