cold trough

例句：

1. 1.The cold trough is a popular spotfor ice fishing.
   冷槽是冰钓的热门地点。
2. 2. The farmer used to livein a cold trough, but nowhe lives in the city.
   这位农民以前住在一个冷槽里，但现在他住在城市里。
3. 3. Thecold trough was filledwith snow and ice.
   这个冷槽里堆满了雪和冰。