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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Plaques of beta-amyloids are thought to "silt up" the brain and cause nerve death and loss of function.

淀粉样蛋白的斑块被认为“堵塞”了大脑，并且造成了神经死亡与功能丧失。

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Opponents predict that the turbines will silt up and that the DAMS will produce only half the energy advertised.

而反对者们则预言，两个水坝的涡轮机将会被淤泥充塞，而其发电量仅为其宣传的一半。

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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.

BBC: Seville's threatened architectural heritage

Ian Barclay, a project manager on the silt scheme, said it would be good to add the extra barrier to stop the silt building up again so quickly.

BBC: St Aubin

Staffordshire county council said the divers went into a culvert underneath the road and found blockages created by debris and a build up of silt and mud.

BBC: Divers used to investigate flood-hit A34 in Stone