When the Thompson quadruplets espied him one day, they called him a bivalve and ran quickly away.

有一天，汤普森家四胞胎看见他， “双壳！”

Unlike other molluscs, bivalves lack a radula and feature labial palps, which carry food from the gills to the mouth.

他软动物是,双壳缺乏齿舌,具有唇瓣,可将食物由鳃送到口部.