常见例句Benthos The organisms that live on the bottom sediments of freshwater and marine ecosystems. They include plants and algae (phytobenthos) that grow below low tide mark. 底棲生物（海底生物）：在淡水或海洋生態系統底部生活的生物躰。包括一些水底的植物和藻類。 返回 phytobenthos