subglacial channel

例句：

1. 1. The subglacial channel is a crucial part of the geological formation.
   地下沟渠是地质构造中至关重要的一部分。
2. 2.The construction of this subglacial channel will significantly reduce traffic congestion.
   建造这条地下沟渠将显著减少交通拥堵。
3. 3.The subglacial channel provides an important pathway for the movement of water and minerals.
   地下沟渠为水和矿物质的流动提供了重要的通道。