In April of this year, a dust storm that originated in China and Mongolia took a six-day journey across more than ten thousand kilometers of sea and open land to Arizona in the United States.

今年四月，源自中国大陆及蒙古内陆的沙尘暴，在六天中跨越了一万多公里的海洋与空旷陆地，最后到达美国亚利桑那州。

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The dust storm is a disaster weather phenomenon which often occurs in spring and winter in north of China.

沙尘暴是我国冬春季节常发生的一种灾害性天气现象，对其作深入研究有利于业务预报的进展。

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Dust storm disasters in the northern part of China are the combined results of meteorological conditions, ecological environment, and human activities.

中国北方沙尘灾害是气象条件、生态环境和人类活动共同作用的结果。

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