| 单词 | eutherian |
| 释义 | Word Frequency eutherian(juːˈθɪərɪən) adjective 1. of, relating to, or belonging to the Eutheria, a subclass of mammals all of which have a placenta and reach an advanced state of development before birth. The group includes all mammals except monotremes and marsupials noun Compare metatherian, prototherian 2. any eutherian mammal Word origin C19: from New Latin Euthēria, from Greek eu- + thēria, plural of thērion beast |
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