But the question of slavery delayed quick congressional action.

VOA: special.2009.02.26

STUDENT: Just a quick question on some of the constraints, like isothermal, isobaric, isovolumetric expansion.

学生：我有个关于,等温，等压，等容等约束条件的小问题。

麻省理工公开课 - 热力学与动力学课程节选

So let's do a quick clicker question, and you tell me how many valence electrons does fluorine have? Remember, valence electrons are different from core, they're only the outer-most electrons in the outer-most shell.

那么让我们来做一个小选择题，请大家来告诉我,氟有多少个价电子，要记得，价电子与芯电子不同，它们是在最外壳层的最靠外面的电子。

麻省理工公开课 - 化学原理课程节选

There is no quick answer to this question.

VOA: special.2010.06.18

PROFESSOR: -- that this is not a quick clicker question, so you actually need to maybe write something down to figure out the answer.

教授：这个问题不是一眼就能看出来的，你们需要在纸上写一写,才能得到答案。

麻省理工公开课 - 化学原理课程节选