But there was little to tell. The sound of a bullet cutting through the air.

VOA: special.2009.12.12

So, you just say, well, this is like a bullet going through pumpkin.

你会说，好吧，这就像一颗子弹穿过南瓜一样。

麻省理工公开课 - 固态化学导论课程节选

So, you just say, well, this is like a bullet going through pumpkin.

你会说，好吧，这就像一颗子弹穿过南瓜一样。

麻省理工公开课 - 固态化学导论课程节选