sapropsammite

例句：

1. 1.The sapropes are a rich source of nutrients for the soil.
   沙生植物是土壤的丰富养分来源。
2. 2. The sapropes play an important role in maintaining the ecosystem.
   沙生植物在维持生态系统中起着重要作用。
3. 3.The sapropes are often used as a natural fertilizer.
   沙生植物常被用作天然肥料。