任一种微小的腹毛类水栖动物，身体似虫状，环带纲。

Any of various minute aquatic animals of the phylum Gastrotricha, having a wormlike, ciliated body.

youdao

任一种微小的腹毛类水栖动物，身体似虫状，环带纲。

Any of various minute aquatic animals of the phylum Gastrotricha, having a wormlike, ciliated body.

youdao