| 单词 | sirenian |
| 释义 | Word Frequency sirenian(saɪˈriːnɪən) adjective 1. of, relating to, or belonging to the Sirenia, an order of aquatic herbivorous placental mammals having forelimbs modified as paddles, no hind limbs, and a horizontally flattened tail: contains only the dugong and manatees noun 2. any animal belonging to the order Sirenia; a sea cow |
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