Hippos fire a tornado of poo to tell other hippos about their territory.

河马捍卫领地的时候，会用“粑粑龙卷风”吓跑对方。

But first, let's see a fire tornado.

但首先， 让我们看一场火龙卷风。

I am still trying to wrap my mind around fire tornadoes.

- 我仍在努力思考火龙卷风。

There's a fire tornado. That is crazy.

有火龙卷风。这很疯狂。

And fire tornadoes are one of the most obvious examples.

火龙卷风是最明显的例子之一。

The Carr Fire that spawned that fire tornado destroyed over 1,600 structures and claimed eight lives.

引发那场火龙卷风的卡尔大火摧毁了 1,600 多座建筑物并夺去了 8 人的生命。

[Jason] And so the stretching mechanism in a fire tornado is actually the fire itself.

- [Jason] 所以火龙卷风中的拉伸机制实际上是火本身。

So we're visiting a lab where researchers create and study fire tornadoes to figure out what's going on.

因此， 我们正在参观一个实验室，研究人员在那里制造和研究火龙卷风， 以弄清楚发生了什么。