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geosynclinal

/,dʒi(:)әusin'klainәl/

📖 中文释义

  1. a. 地槽的
📘 English Definition（英文释义）
  1. n. the downward bend or subsidence of the earth's crust,
  2. which allows of the gradual accumulation of sediment, and hence forms
  3. the first step in the making of a mountain range; -- opposed to
  4. geanticlinal.