oceanic deposit

例句：

1. 1. The oceanicdeposits contain a wealth of minerals andfossils.
   海洋沉积物富含矿物和化石。
2. 2. The research team collected samples from theoceanic deposits to study their chemicalcomposition.
   研究小组从海洋沉积物中收集样本，以研究其化学成分。
3. 3. Theancient civilizations relied on the oceanic deposits for their food supply.
   古代文明依赖海洋沉积物作为他们的粮食供应。