undersea delta

例句：

1. 1. Theundersea delta is a fascinating areaof research.
   海底三角洲是一个令人着迷的研究区域。
2. 2. The undersea delta is hometo a diverse array of marine life.
   海底三角洲是各种海洋生物的家园。
3. 3. The undersea delta is an important source offood for many marine species.
   海底三角洲是许多海洋物种的重要食物来源。