noun 下载 🔗分享 轮虫 Any of many minute aquatic multicellular organisms, of the phylum Rotifera, that have a ring of cilia resembling a wheel. Examples : "Under a microscope, the pond water revealed tiny rotifers using their spinning, wheel-like cilia to filter food. " 在显微镜下,池塘水里显现出微小的轮虫,它们正用旋转的、像轮子一样的纤毛过滤食物。 organism animal biology nature science ecology microorganism 与AI对话词汇游戏阅读练习