Why 1? It's arbitrary, but it's anything other than zero so I just exit because something went wrong and this program is just going to bail.

为什么是1？这是任意的，但它是非零的,因为出错了，我退出程序,然后这个程序就释放了。

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

Then that--those active forms are released from the cell.

然后,那些活化病毒从细胞中释放出来

耶鲁公开课 - 生物医学工程探索课程节选