单词 | prototherian |
释义 | prototherian(ˌprəʊtəʊˈθɪərɪən) adjective 1. of, relating to, or belonging to the Prototheria, a subclass of mammals that includes the monotremes noun Compare eutherian, metatherian 2. any prototherian mammal; a monotreme Word origin C19: New Latin, from proto- + Greek thēria wild animals |
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