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。
The harbor is being up with silt.
那海港被淤泥阻塞了。
The Yellow River delta is made up of silt and soft soil.
黄河三角洲区为粉土-软土地层结构。
The Yellow River delta is made up of silt and soft soil.
黄河三角洲区为粉土-软土地层结构。
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