And Portland, Oregon authorities say a wind-driven grass fire was intentionally set.

俄勒冈州波特兰市当局说，一场由风力引发的草地火灾是故意纵火。

The quake was blamed for some small grass fires and damage to roads.

这场地震还导致小规模植被失火和道路受损。

And you know, the beaters going up, beaters going down, and trying to put out these grass fires.

你知道，打手向上，打手向下，并试图扑灭这些草火。

And he was going straight out to South Africa to help them fight some grass fires as a volunteer.

他将直接前往南非， 作为志愿者帮助他们扑灭一些草地火灾。

Firefighters are battling the Zogg fire in Shasta County that's killed four people and the grass fire raging in the Napa Valley wine region.

消防员们正在扑灭沙斯塔县的佐格大火，这场大火已经导致4人死亡，而纳帕谷葡萄酒产区的草地大火正在肆虐。

Nitrogen-rich-soil is productive and supports a diverse variety of plants, but in areas where honeysuckle is so dominant that there is almost no grass, fires almost never spread, and levels of nutrients such as nitrogen can become poor.

富含氮的土壤生产力高， 可以支持多种植物的生长，但在金银花占主导地位、几乎没有草的地区，火灾几乎永远不会蔓延， 氮等营养物质的水平可能会很低。

The trees, mostly the blue oak (Quercus Douglasii), are about thirty to forty feet high, with pale blue-green leaves and white bark, sparsely planted on the thinnest soil or in crevices of rocks beyond the reach of grass fires.

树木，主要是蓝橡树 (Quercus Douglasii)，高约 30 到 40 英尺，有淡蓝绿色的叶子和白色的树皮，稀疏地种植在最薄的土壤或草火无法触及的岩石缝隙中。