常见例句双语例句A genus of the family Dugongidae comprising only Steller's sea cow .仅由斯氏海牛构成的懦艮科的一个属。A family of mammals of order Sirenia including dugongs and Steller's sea cow .哺乳动物中海牛目中一科包括儒艮和斯特勒儒艮。 返回 steller's sea cow