Deutsch-Chinesische Enzyklopädie, 德汉百科
       
German — Chinese
Giant Orthocone Deutscher Wortschatz
  1 2 years ago
巨型鹦鹉螺
4亿6000万年前,鹦鹉螺是世界上最大的动物,它利用触须来推动圆锥型身体喷气式的前进
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