“腹足纲”造句
2024年07月08日 17:22:59
大多数海洋
腹足纲软体动物在某些幼体阶段形成一种有纤毛的游泳器官。
Most marine gastropod mollusks develop a ciliate swimming organ in certain larval stages.
其中,双神经纲3种,瓣鳃纲68种,
腹足纲80种.
Among them there are 3 species of Amphineura, 68 species of Lamellibranchia, 80 species of Gastropoda.