单词 | Laurasia |
释义 | Laur·a·sia (lô-rāzhə) n. The supercontinent of the Northern Hemisphere that, according to the theory of plate tectonics, broke up into North America, Greenland, Europe, and Asia except for the Indian subcontinent. [New Latin Laur(entia), geologic precursor of North America (after the Saint Lawrence River) + (Eur)asia.] |
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