sea of yin channels

例句：

1. 1. The river flows throughthe city, cutting a deep sea ofyin channels.
   这条河流穿过城市，切割出一条深深的阴河。
2. 2. The ancientcity was built on top of a seaof yin channels.
   这个古老的城市建在阴河之上。
3. 3. The floodwaterswere carrying away the debris from the seaof yin channels.
   洪水带走了阴河的泥沙。