Yellow bands—larger, coarse particles—around the Middle East, North Africa, and western North America likely indicate dust and sand storms as the northern hemisphere reaches the driest time of year.
黄色地带，也就是分布着较大的较粗糙粒子的中东地区、北非以及北美西部，随着北半球到达一年中最干旱的季节，很可能预示着有沙尘暴灾害。
Dust storms are a natural phenomenon, but are influenced by human activities and are now just as serious as traffic and industrial air pollution.
沙尘暴是一种自然现象，但是受到了人类活动的影响，现在和交通和工业空气污染一样严重。
The number of those particles has dropped as a result of reforestation programs that lessen the dust storms that blew in from deserts.
经过一系列的森林再造，减少了从沙漠吹过来的沙尘暴之后，这类颗粒物浓度已经有所减少。
They also exchanged views on cooperation in such areas as the exploitation of resources, the infrastructure, harnessing dust storms and prevention and treatment of diseases.
双方还就两国在资源开发和基础设施建设以及风沙治理、疫情防治等方面的合作交换了意见。
To begin with, scientists thought the Red Planet was as lifeless as the Moon, with dust storms swirling over vast sandy deserts.
始于尘沙笼罩下的广阔沙漠的图片，科学们认为这个“红色星球”像月球一样没有生命。
Concept artist Ralph McQuarrie fashioned the bandaged mask look as a functional answer to desert survival in dust storms.
概念艺术家拉尔夫·麦夸里设计了这些绷带缠绕的面罩，将其作为一种应对沙尘暴中沙漠生存的实用措施。
As we know, over the past years, floods, droughts, landslides, and dust storms have frequented our planet.
正如我们所知，在过去的几年中，洪水、干旱、山体滑坡以及沙尘暴在世界上频繁发生。
There exist a lot of serious problems on the planet that we live on___ the earth , such as floods , droughts , landslides, dust-storms and so on .
我们居住的这个行星——地球上，存在着许多严重的问题比如说：洪灾、旱灾、泥石流和沙尘暴等等。
Natural disasters, there have been unscrupulous human deforestation, which led to the natural problems, such as soil erosion, desertification, dust storms, causing extensive damage.
自然灾祸，不时有肆无忌惮的人类砍伐森林，从而招致了自然的成绩，如水土流失，荒漠化，沙尘暴，形成少量毁坏。
Natural disasters, there have been unscrupulous human deforestation, which led to the natural problems, such as soil erosion, desertification, dust storms, causing extensive damage.
自然灾祸，不时有肆无忌惮的人类砍伐森林，从而招致了自然的成绩，如水土流失，荒漠化，沙尘暴，形成少量毁坏。
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