Natural aerosols are produced by sea salt, desert dust, volcanic eruptions and smoke from forest fires.
天然的浮质是由海盐、沙漠灰尘、火山爆发物与森林火情的烟雾产生的；
The next moment all the family could see a cloud of dust in the road as the Wolf fled to safety in the dark forest.
不一会儿，这家人看见，路上尘土飞扬，狼飞快地逃往森林深处。
One day, when Ali Baba was in the forest, and had just cut wood enough to load his asses, he saw at a distance a great cloud of dust, which seemed to approach him.
一天，当阿里巴巴进到树林里，并且刚砍到了足够的木头运到驴车上的时候，他远远的望见了一大片尘土，看起来向他的方向接近过来。
The rich dust that falls from the sky, and the rain storms caused by that dust picking up moisture during it's transoceanic journey both fertilize the Amazon rain forest.
这些从天而降的肥沃土壤以及由携带尘土的暖湿气流所带来的暴雨滋润了亚马逊雨林。
The next moment all the family could see was a cloud of dust in the road as the Wolf fled to safety in the dark forest.
下一刻所有的家庭可以看到的是，在尘烟弥漫的公路上，狼安全地逃到黑暗的森林。
And yet, we've been able to demonstrate that the phosphorus that's carried by the dust and deposited on the old landscapes in Kauai actually fertilizes the forest.
不过，如今我们已经证实尘埃带到其所属考爱岛的磷，堆积在那儿的老地方——正滋养着森林。
The results showed that there were significant differences in changing sunlight intensity, reducing noise, and accumulating dust in different forest land cultivation mode.
结果表明：不同林地栽培模式在改变光照度、降低噪音、吸滞粉尘等环境效应上差异显著。
We normally associate air pollution with smokestacks and cars, but volcanoes, forest fires, dust storms, marshes, oceans, and plants also add to the air chemicals we consider pollutants.
我们常常将空气污染与烟囱和汽车联系在一起，但事实上火山、森林火灾、沙暴、沼泽、海洋和植物都会带来一些我们认为是大气污染物的化学物质。
And the forest glowed the fair, clear colors, as if the dust of thousands of rubies and emeralds were hanging, in soft clouds, above the earth.
林中一片澄澈碧绿时，它们身上所闪耀的无尽光辉，那种景象就如无数红绿宝石粉末所形成的彩云，轻轻地漂浮在大地之上。
Cellulosic feedstocks mainly include straws, forest wastes and saw dust. Straw is the largest source of non-grain feedstock for producing fuel ethanol in China by output.
纤维质原料主要包括农作物秸秆、农林废弃物、木屑等，其中农作物秸秆是我国产量最大的非粮燃料乙醇原料。
Cellulosic feedstocks mainly include straws, forest wastes and saw dust. Straw is the largest source of non-grain feedstock for producing fuel ethanol in China by output.
纤维质原料主要包括农作物秸秆、农林废弃物、木屑等，其中农作物秸秆是我国产量最大的非粮燃料乙醇原料。
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