Di·del·phis /daɪˈdɛlfəs/ 名詞
Di·del·phys n. Zool. Formerly, any marsupial; but the term is now restricted to an American genus which includes the opossums, of which there are many species. See Opossum. [Written also Didelphis.] See Illustration in Appendix.
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Didelphis
n : type genus of the family Didelphidae [syn: genus Didelphis]