sea of channels

例句：

1. 1. The sea of channelsis a natural barrier that separates theland from the ocean.
   海峡是一片自然屏障，将陆地与海洋分隔开来。
2. 2. Theship navigated through the sea of channelsto reach its destination.
   这艘船通过海峡航行到达了目的地。
3. 3. The floodplain is avast expanse of land that hasbeen flooded during a flood event.
   洪水平原是一片广阔的土地，在洪水事件期间被淹没。