So when the fire alarm bell rang, men near the sound of the fire bell dropped what they were doing and rushed out to fight the fire.

VOA: special.2009.05.17

And what was happening on the police scanner was really interesting because you had ambulances and fire trucks and police cars constantly reporting where they are and what they're doing.

警用扫描仪的作用,非常有趣,因为救护车,和消防车，还有警车不断地,汇报它们的所在地和它们所做的事。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

Another question is: at what angle should you fire your projectile so it will go the furthest?

另一个问题是以多大角度抛出,物体能飞得最远

耶鲁公开课 - 基础物理课程节选

Listen,what a strange noise for wood to make in the fire.

VOA: special.2010.02.27

I tell you the initial velocity v0, I tell you at what angle I fire it.

我会告诉你们初速度 v0,以及我以多大角度射出

耶鲁公开课 - 基础物理课程节选

From what we can tell, other than one fire engine distributing water, there's really no presence of any government or other internationalaid groups here.

VOA: standard.2010.01.14

There are conflicting accounts of what happened. The Israeli army says its troops came under sniper fire during a routine operation on Israel's side of the frontier.

VOA: standard.2010.08.03