There's five electrons So what you'll notice here is that I only filled in 3 electrons.

它有5个电子,你们这里会注意到我只填了3个电子。

麻省理工公开课 - 化学原理课程节选

And at the end of the track you notice five workers working on the track.

突然发现在轨道的尽头,有五名工人正在施工。

耶鲁公开课 - 公正课程节选

So I can concatenate techs plus ivys and assign that result to univs, and then when I print it you'll notice I just get a list of five strings.

和ivys数组用加号串联运算,并把结果赋值给univs数组，接下来我显示下univs的结果,你注意到我得到了一个。

麻省理工公开课 - 计算机科学及编程导论课程节选