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

谁也说不准一旦大火烧起会烧到哪里为止。

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

草原大火现在正在肆虐，随着呼啸，火势越越大。

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.

他们之所以被称为黑腿，是因为对方试图通过燎原之火让他们撤退，这样大火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.

它要么是被草原大火烧毁，更有可能是被某种不满刘易斯和克拉克土著人放火烧掉。