涡虫纲 wōchónggāng Turbellaria Definitions Defs Origin Strokes Stroke Words Sentences Sents 涡虫 渦蟲 wōchóng planarian any of various flatworms of the class Turbellaria, characterized by a soft body with cilia that create tiny whirlpools in the water as they move纲 綱 gāng class A level in biological classification, ranking below phylum (门 mén) and above order (目 mù)
