gastrotricha /'ɡæstrətrikə/ 📖 中文释义 腹毛动物 📘 English Definition(英文释义) n. pl. A group of small wormlike animals, having ciliaon the ventral side. The group is regarded as an ancestral or syntheticone, related to rotifers and annelids. ← gastrotrich G 字母词表 gastrotrichan →