the dust of snow的意思|示意

Shook down on me The dust of snow From a hemlock Has given my heart a change of mood And saved some part of a day I had rued.

一只乌鸦抖落雪尘撒我一身我的心情因此变化一天的懊丧已不再留下。

Such ice cores trap gases, bits of dust, and other chemicals that were present in the snow that fell over Greenland for thousands of years and then became compressed into ice.

这些冰芯将气体、尘埃和其他化学物质封存在格陵兰岛数千年来的积雪中，然后被压缩成冰。

There are occasional reports of red, yellow, or black snow falling from the sky, probably due to pollen, windblown dust, or ash and soot.

各地报道称，天空中偶尔会飘落罕见的红色、黄色、黑色雪花，这可能是由于花粉、风吹的尘土或灰烬和烟灰粘在雪上面造成的。

One factor could be deposits of dust and black carbon (collectively called aerosols) upon the snow, which, up to an accumulation of 400 grams per square meter sharply raises the rate of melting.

雪上尘埃和黑炭（统称为气溶胶）覆层可能是其中一个因素：当覆层的积累达到每平方米400克的时候，会急剧加快融化的速度；

Snow crystals are ice particles that usually form around a piece of dust in the atmosphere. All snow crystals have six sides, but they form different shapes.

雪是由小冰粒围绕空气中的灰尘凝结而成的，雪晶有六个边，但他们有不同形状。

In the Texas Panhandle, when the snow storm two weeks ago closed sections of I-40, no one would think that 50 mile per hour winds (gusts up to 70) would close sections again this week for dust storms.

在德克萨斯州的狭长地区，当两周前的暴风雪迫使I - 40洲际高速公路关闭时，没有人会想到这一周沙尘暴引起的时速50英里(瞬时风速达70英里)的风会再一次迫使该区域被关闭。