我们还没反应过来，就听到通知说我们要到北京了。

Before we knew it, we heard the announcement that we were arriving in Beijing.

youdao

她还没反应过来，我就给了她一个大大的拥抱，告诉她不必对我保密。

Before she could react, I gave her a big hug and told her she didn't need to keep it a secret from me.

youdao

我还没反应过来，它的主人史密斯就已经在水里，努力穿过浮冰了。

Before I knew it, the owner Smith was in the water forcing his way through the ice.

youdao

All right, so it looks like we weren't showing the percentages here, but it looks like hopefully most of you were able to get the correct answer of H2 being the limiting reactant.

看来我们好像没办法,显示结果的比例，但看起来大部分人,都能得到正确的结果,那就是H2是受限制的反应物2,看来现在我们还没搞明白。

麻省理工公开课 - 化学原理课程节选