I mean, it took me like a couple of weeks there, even less, putting together the site.

建立这个网站只耗费了几周的时间，甚至更少。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

So since we have two lone pairs, we're going to be pushing down even further on the bonding electrons, so we're going to smoosh those bonds even closer together.

因为我们有了两个孤对，我们会把成键电子,更加向下压，所以我们把这些键更加紧得推到一起。

麻省理工公开课 - 化学原理课程节选

Well, one reason to do this is because on each post-synaptic neuron there might be many axons coming together at once, and each one might be generating a different kind of signal, through maybe even different neurotransmitters.

嗯 一个原因是在每个,突触后神经元上可能有,许多同时到达的轴突,每个都可能通过不同的神经递质,产生不同的信号

耶鲁公开课 - 生物医学工程探索课程节选