单词 | island arc |
释义 | > as lemmasisland arc island arc n. any arcuate chain of islands located and aligned in relation to an orogenic belt and characteristically having a deep trench on the convex side. ΘΚΠ the world > the earth > land > land mass > island > [noun] > group archipelago1578 archipel1596 arch-sea1613 island arc1906 1906 H. B. C. Sollas & W. J. Sollas tr. E. Suess Face of Earth II. iv. 207 It would be sound geology to draw the western boundary of the Pacific Ocean outside the island arcs from Kamchatka through Japan. 1971 I. G. Gass et al. Understanding Earth xix. 271/1 The zone meets the surface close to the line of the deep ocean trench and dips away beneath the island-arc. < as lemmas |
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