1. Sponges, or porifers, are aquatic animals that belong to the phylum Porifera.
海绵，或称为多孔动物，是属于多孔动物门的水生动物。
2. Porifers are filter feeders, meaning they obtain food by filtering water and extracting nutrients from it.
多孔动物是滤食者，意味着它们通过过滤水并从中提取养分来获取食物。