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 lake water revealed tiny rotifers swimming around, their whirling cilia creating miniature currents. " 在显微镜下,湖水里显现出微小的轮虫在游动,它们旋转的纤毛制造出微小的水流。 organism animal biology microorganism 与AI对话词汇游戏阅读练习