sirenian

常见例句

sirenian tusked mammal found from eastern Africa to Australia;
見於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
産於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.
見於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.
産於美洲熱帶沿海水域的海牛類哺乳動物。