The European air traffic control agency Eurocontrol said only 6,000 flights would take place in European airspace Saturday - down from the 22,000 normally expected.

VOA: standard.2010.04.17

So, shared electrons are the ones that are shared between the carbon and the nitrogen, so we have 6 shared electrons, and we want to take 1/2 of that.

共用电子是那些在碳和氮之间,被它们共用的电子，那么我们有六个共用电子，然后我们要给它乘上二分之一。

麻省理工公开课 - 化学原理课程节选

So if we look at sulfur, what we need to do is take the valence electrons in sulfur, and there are 6.

因此如果我们来看硫原子的话，我们需要做的是,将硫的价电子，有六个。

麻省理工公开课 - 化学原理课程节选

Extrapolating from the fact that there are different things which people take into account, not everyone closest to 6 might actually vote for 6, it might be coincidence.

考虑到人们关注的东西都不一样,这个实际情况,每个最靠近立场6的人,未必把票都投给选择立场6的候选人了,这可能只是巧合

耶鲁公开课 - 博弈论课程节选

If your plan is to accelerate a 3 kg mass with an acceleration of 2 meters per second, you better have a rope that can furnish that force and it can take the tension of 6 Newtons.

如果你想用 2 米每秒平方的加速度,去拉一个 3 千克的物体,那么你就需要一根能提供拉力的绳子,并且它能够承受 6 牛的张力

耶鲁公开课 - 基础物理课程节选