They were totally surprised and excited, and they were thinking how could this happen, where did we got this split doublet from.

他们对此非常惊奇和激动，然后他们考虑为什么会这样，怎么会得到这种劈裂的双峰。

麻省理工公开课 - 化学原理课程节选

How did we get there?

事情怎么会变成这样呢

耶鲁公开课 - 美国内战与重建课程节选

How does that happen?

怎么会这样的呢

耶鲁公开课 - 生物医学工程探索课程节选

How could that be?

怎么会这样呢？

耶鲁公开课 - 死亡课程节选

How can that be?

怎么会这样呢？

耶鲁公开课 - 公正课程节选