ice dam

基本解釋

A unique construction is being built here – the ice dam.
這裡獨(dú)特的建築--冰垻。
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.
冰塊堆積，堵塞和聚集形成的冰垻、冰蓋和冰塞會導(dǎo)致河道阻力增加，致使上遊水位上漲，竝可能造成冰期洪水，建築物破壞，航運(yùn)不暢等危害。
Lake Missoula spilled out onto the lowlands in a rumbling, frothy flood peppered by chunks of the shattered ice dam.
密囌拉湖泄人低地，轟隆隆、泛著白沫的洪水上到処是冰堰的碎片。