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来源:雅诚德英语网
Most desert streambeds are normally dry, but they occasionally receive large flows of water and sediment.
大多数沙漠河床通常是干燥的,但它们偶尔也会有大量的水流和沉积物。
Most desert streambeds are normally dry, but they occasionally receive large flows of water and sediment.
大多数沙漠河床通常是干燥的,但它们偶尔也会有大量的水流和沉积物。