mollusc

1.There are two types of mollusc that are actively venomous.

有两种随释放毒素软动物。

2.Many molluscs have tentacles.

很多软动物有触角。

3.Snails and octopuses are molluscs.

蜗牛和章鱼是软动物。

4.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，们将分析对象限制在一类化石记录保存完备动物——双壳类软动物。

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

与其软动物不同是,双壳贝缺乏齿舌,具有唇瓣,可将食物由鳃送到口部.