cyclostome poisoning圆口类鱼毒
cyclostome poison圆口鱼中毒
N（名词） any primitive aquatic jawless vertebrate of the class Cyclostomata, such as the lamprey and hagfish, having a round sucking mouth and pouchlike gills 圆口纲脊椎动物
ADJ（形容词） of, relating to, or belonging to the class Cyclostomata 圆口纲脊椎动物的; 和圆口纲脊椎动物有关的; 属于圆口纲脊椎动物的