每日背誦第一期  20

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. The cloud was so dense that it seemed as if the sun were setting early. At least one person thought a volcano had erupted.

今年四月，源自中國大陸及蒙古內陸的沙塵暴，在六天中跨越了一萬多公里的海洋與空曠陸地，最後到達美國亞利桑那州。烏雲密佈，就象太陽將提早要下山，有人居然以為是火山爆發了。

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