subclass Opisthobranchia
英
美
[网络] 后鳃亚纲
双语例句
- Any of various marine gastropod mollusks of the subclass or order Opisthobranchia, characterized by gills, a shell that is reduced or absent, and two pairs of tentacles.
后鳃目软体动物：一种属于后鳃亚纲类的软体动物，特点是长有隐蔽的鳃，有缩小或消失的壳，而且有一对突出的触角。