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单词 geosyncline
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ge•o•syn•cline  ( jē′ō sinklīn),USA pronunciation n. [Geol.]
  1. Geologya portion of the earth's crust subjected to downward warping during a large span of geologic time;
    a geosynclinal fold.
  • geo- + syncline 1890–95

Collins Concise English Dictionary © HarperCollins Publishers::
geosyncline /ˌdʒiːəʊˈsɪŋklaɪn/ n
  1. a broad elongated depression in the earth's crust containing great thicknesses of sediment
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