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。

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To mitigate those effects, mines could take measures such as storing rock away from streambeds.

为了减轻影响，煤矿需要采取一些措施，比如把矿石保存在远离河床的地方。

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Multiple dust plumes blow off the coast toward the ocean, most or all of them probably arising from streambeds.

多股沙尘被从海岸吹向大海，它们之中的大部分或者说全部可能都来自河床。

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