雨季时,干涸的河床会变成流动的干河谷。

During the rainy season, the dry riverbed becomes a flowing wadi.

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During the rainy season, the dry riverbed becomes a flowing wadi.

wadi 来自阿拉伯语词汇,指在干旱地区季节性出现的河道或河床,平时干涸无水,雨季时会有水流。这个词被直接借用到英语中,特指沙漠或干旱地区这种季节性河流的地貌特征。

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