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geological period    我要挑错精准翻译

参考词典中geological period的常规释义:

基本释义
  • 地质时代
英英解释
  •  1个名词解释

    1. a unit of geological time during which a system of rocks formed
      [同] geological period, period
      [例]
      • ganoid fishes swarmed during the earlier geological periods
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