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
是,双壳贝缺乏齿舌,具有唇瓣,可将食物由鳃送到口部.
）触须（等于palpus）Unlike other molluscs, bivalves lack a radula and feature labial palps, which carry food from the gills to the mouth.
与其他软体动物是,双壳贝缺乏齿舌,具有唇瓣,可将食物由鳃送到口部.
The mandibles are usually lost, the labrum is reduced to a narrow transverse sclerite, and the labium is a small flap ( though its palps retain quite large).
颚消
，唇退化为一条窄横片，下唇退化为一小片（下唇须发达）。
声明：
句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦
代表本软件
观点；若发现问题，欢迎向我们指正。
