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allochthon ['æləkθən]

n. 因地壳动力搬移到现在位置的岩石或矿物;

例句:

  • Gexianshan carbonate allochthon is rich in various karst features.
    塘坝子葛仙山碳酸盐岩外来体中各种岩溶形态十分丰富.