Turbellarian parasite涡虫纲寄生虫
turbellarian worm一种扁形动物
drain sand by turbellarian pipe涡管排砂
N（名词） any typically aquatic free-living flatworm of the class Turbellaria, having a ciliated epidermis and a simple life cycle: includes the planarians 涡虫
ADJ（形容词） of, relating to, or belonging to the class Turbellaria 涡虫的; 属于涡虫科的