每日背誦第一期22
Dust storms are one of the repercussions of humans messing around with Mother Nature. Although they are a natural phenomenon, dust storms have been occurring more often, at shorter intervals, and with greater force in recent years, and human activity is the cause.
沙塵暴就是人類任意破壞大自然，所造成的影響之一。沙塵暴雖是自然現(xiàn)象，但是近年來發(fā)生的頻率卻逐漸增加，間隔的時間也愈來愈短，破壞力更強大了，人的活動是罪魁禍首。
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