ice dam

基本解释

A unique construction is being built here – the ice dam.
这里独特的建筑--冰坝。
Ice dam, ice cover and ice jam, which are formed by stack, jammed and collective ice, can increase river resistance and water stage , resulting in flood, construction damage and navigation problems.
冰块堆积，堵塞和聚集形成的冰坝、冰盖和冰塞会导致河道阻力增加，致使上游水位上涨，并可能造成冰期洪水，建筑物破坏，航运不畅等危害。
Lake Missoula spilled out onto the lowlands in a rumbling, frothy flood peppered by chunks of the shattered ice dam.
密苏拉湖泄人低地，轰隆隆、泛着白沫的洪水上到处是冰堰的碎片。