bivalve

locomotive bivalves have the strongest hinges.

机车里的双活塞有最强有力的轴链。

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.

To avoid sampling bias, they restricted their analysis to one group of animals—the bivalve molluscs—that fossilise well.

为了防止取样的偏颇，他们将分析的对象限制在石记录保存完备动物——双壳软体动物。

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

有天，汤普森家的四胞胎看见他， “双壳贝！”