"Hai xiang ke." . . "海象科" . "APolar bear Arctic regions." . . "Dong wu gu shi." . . "動物故事" . "Bei ji." . . "北極" . "Xiong ke." . . "熊科" . . . . . . . . . . . . . . . . . . "Ji di xiong bao bei" . "極地熊寶貝" . . . "Dong wu xing wei." . . "動物行為" . "Tong su xing du wu." . . "通俗性讀物" .