It's been running through my mind ever since. 在那次之后，我的脑海中就充满了那件事。

　　Why are thoughts of that girl running through my head? 为什么我久久无法忘怀她的形象？

　　Okay, let's run through it one more time. 好，我们再检查一遍。

　　The students are very excited today.  学生们今天非常兴奋。

　　Tell them not to run through the hallway.  叫他们不要在走廊跑来跑去。