常見例句sirenian tusked mammal found from eastern Africa to Australia; 見于非洲東部到澳大利亞的有尖牙的海牛目哺乳動物；sirenian mammal of tropical coastal waters of America; the flat tail is rounded 產(chǎn)于美洲熱帶沿海水域的海牛類哺乳動物sirenian tusked mammal found from eastern Africa to Australia; the flat tail is bilobate. 見于非洲東部到澳大利亞的有尖牙的海牛目哺乳動物；扁平的尾巴分兩叉。sirenian mammal of tropical coastal waters of America; the flat tail is rounded. 產(chǎn)于美洲熱帶沿海水域的海牛類哺乳動物。 返回 sirenian