abyssalpelagic

例句：

1. 1.The abyssalpelagic layer is crucial for the survival of marine organisms.
   深海沉积层对于海洋生物的生存至关重要。
2. 2. Researchers are studying the abyssalpelagic ecosystem to understand its biodiversity.
   研究人员正在研究深海沉积生态系统，以了解其生物多样性。
3. 3. The abyssalpelagic layer is home to a diverse range of microorganisms.
   深海沉积层是各种微生物的家园。