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

I don't see how they could do that job.

我不明白他们怎么会做那样的工作。

溺爱是一种伤害 - SpeakingMax英语口语达人

You see they had to explain to themselves as well as the audience, ?" "how come this lecture is larger than the Introduction to Economics?"

因为他们要说服自己，说服观众，“这门课怎么会比经济学导论跟热门“

哈佛公开课 - 幸福课课程节选