单词 | mamenchisaur |
释义 | mamenchisaurn. Palaeontology. A dinosaur of the genus Mamenchisaurus. ΚΠ 1988 Maclean's 5 Dec. 55/1 An estimated 90-foot-long mamenchisaur, which lived 160 million years ago, was found buried in sandstone. 1991 Discover Mar. 54/1 About 160 million years ago..the long-necked mamenchisaurs in China disappeared. This is a new entry (OED Third Edition, June 2000; most recently modified version published online March 2022). < |
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