曾经有过加深一段河道的计划。

There were plans to deepen a stretch of the river.

《牛津词典》

通过疏浚保持河道的深度。

The depth of the river is maintained by dredging.

《新英汉大辞典》

但由于全球变暖，冰川和雪原融水蒸发，造成泥沙堵塞缩小河道的危险。

But because of global warming, all across the plateau, glacial and snow run-off is evaporating, leaving dwindling rivers dangerously clogged with silt.

youdao

It involves a stone, a piece of lapis lazuli that has a kind of a flaw in it, which is like a "water-course," and where one can imagine a pilgrim climbing toward increased enlightenment.

提到了一块石头,一块有瑕疵的青金石，就像河道“,我们可以想象,一个朝圣者慢慢靠近神启。

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