Someone would bring the meat. Someone would bring the dressing. And we would all sort of combine the efforts to have a family Thanksgiving dinner and bring out the good china for that particular event.

VOA: special.2009.11.23

All right, so in terms of s p 3 hybrid orbitals, let's combine all four together on one axis, because this is what's going to happen in an s p 3 carbon atom.

对于sp3杂化轨道，让我们把4个结合起来，因为这是sp3碳原子中发生的情况。

麻省理工公开课 - 化学原理课程节选