单词 | continental drift |
释义 | > as lemmascontinental drift continental drift n. the postulated movement of the existing continents to their present positions after having originally formed a single land-mass. ΚΠ 1926 J. W. Gregory in Rep. Brit. Assoc. Advancem. Sci. 1925 316 The increasing evidence of the mobility of the earth's crust has prepared the way for a sympathetic reception of Wegener's theory of continental drift. 1936 Discovery Mar. 67/1 The earth's land surfaces constitute an enormous disjointed jigsaw puzzle, the interlocking or fitting portions of which have floated away from one another. This conspicuous feature of the world's outer mantle is known popularly as ‘Continental Drift’. < as lemmas |
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