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单词 megatherium
释义 megatherium Palæont.|mɛgəˈθɪərɪəm|
Pl. -ia.
[mod.L. (Cuvier), as if Gr. µέγα θηρίον ‘great beast’: see mega-.]
An extinct genus of huge herbivorous edentates resembling the sloths, the fossil remains of which are found in the upper tertiary deposits of South America; an animal of this genus.
1826Prichard Res. Phys. Hist. Man. (ed. 2) I. 64 They have been termed megalonyx and megatherium.1832Clift in Trans. Geol. Soc. (1835) III. 437 The Remains of the Megatherium described in this paper.1856Emerson Eng. Traits, Stonehenge Wks. (Bohn) II. 124 Professor Sedgwick's Cambridge Museum of megatheria and mastodons.
b. transf. Something of huge or ungainly proportions.
1850H. Rogers Ess. (1874) II. iv. 190 Those huge megatheria among particles, ‘peradventure’, ‘notwithstanding’, and ‘nevertheless’.1870Disraeli Lothair xxvi, The wild panting of the loosened megatheria [locomotives] who drag us.
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