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 Lamellibranchi...
Mary heard the penetrating bell of an ambulance.玛丽听到了刺耳的救护车警铃声。He never stopped asking penetrating questions.他一直在问一些尖锐的问题。He had an extraordinarily penetrating gaze.他的目光有股异乎寻常的洞察力....
She folded up her letter, licking the envelope flap with relish.她把信折好，用力舔了舔信封的折口。The three men ate with relish.这3个人吃得津津有味。I have no relish for pop music.我对流行音乐不感兴趣....