The sand have silt up the mouth of the river.

泥沙已把河口堵住了。

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The sand have silt up the mouth of the river.

沙和石头沉到了河底。

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The mouth of the river was beginning to silt up-a powerful symbol of over-exploitation.

墨累-达令的河口开始被泥沙淤塞，这是过度开发的有力信号。

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More often than not, a bilateral deal unblocks one trade route only to silt up its tributaries.

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But by the time it was completed in 1598, the Guadalquivir River had begun to silt up, causing all New World trade to move to Cadiz and the building became a rather opulent filing cabinet instead.

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Some recalled a warning given by one of China's most famous critics, Huang Wanli, before his death ten years ago that the dam would silt up the reservoir basin and sooner or later have to be blown up.

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