同义词：dibranchiate molluskdibranch
ADJ（形容词） of, relating to, or belonging to the Dibranchiata, a group or former order of cephalopod molluscs, including the octopuses, squids, and cuttlefish, having two gills 二鳃目的
N（名词） any dibranchiate mollusc 二鳃目的软体动物