These can start 'spot' fires many kilometres ahead of the main fire front.

这些烟尘可以在离火灾现场若干公里处燃起星星之火。

For days, erratic winds and low humidity have spread spot fires, with embers flying and spreading the flames.

几天来，怪风和干燥导致了零星火灾的蔓延，余烬四处飞扬，致使火焰蔓延。

And those embers are really a big concern because those spot fires can blow up into new branches of this fire and that is what they are concerned about.

ELAM：那些余烬确实是一个大问题，因为那些局部火灾可能会爆发成新的火灾分支，这就是他们所关心的。

That means detecting wildfires as early as possible and responding quickly have become essential to thwarting a potentially deadly disaster, and one start up says it's found a way to spot fires just minutes after they spark.

这意味着，尽早发现野火并迅速做出反应，这对于阻止一场可能致命的灾难来说至关重要，一家初创企业表示，他们找到了一种方法，在火灾发生几分钟后就能发现火情。