单词radula
n.: 【动】齿舌
网络: 齿舌吃东西；扁萼苔属；齿板
【动物;动物学】齿舌
复数：radulae
Unlike other molluscs , bivalves lack a radula and feature labial palps, which carry food from the gills to the mouth.
与其他软体动物不同的是，双壳贝缺乏齿舌，具有唇瓣，可将食物由鳃送到口部。
Observation on Radula of Small Gastropoda by SEM
小型腹足类齿舌的扫描电镜观察