And there's no telling where a prairie fire will stop, once it gets started.

谁也说不准一旦烧起会烧到哪里止。

The prairie fire was roaring now, roaring louder and louder in the screaming wind.

草现在正在肆虐，随着呼啸的狂风，势越越。

They're called the Black Legs because the other side tried to make them retreat by starting a prairie fire so the fire would wash over them and move them back.

他们之所以被称，是因对方试图通过燎之让他们撤退，这样就会冲刷他们并将他们赶回去。

It had either burned from a prairie fire or, more likely, it was set on fire by natives of some sort who were discontented with Lewis and Clark.

它要么是被草烧毁，更有可能是被某种不满刘易斯和克拉克的土著人放烧掉的。