noun🔗Share扁形動物Any of very many parasitic or free-living worms, of the phylum Platyhelminthes, having a flattened body with no skeleton or body cavity."The biology class dissected a flatworm to study its simple anatomy. "生物の授業で、その単純な解剖学的構造を研究するために扁形動物を解剖しました。organismanimalbiologyChat with AIVocabulary GamePractice Reading