翻译
  • 简明词典
  • 柯林斯词典
  • AI释义
  • AI解词
  • 牛津词典

  • geological period

    释义

    • 地质时期

  • 英英释义

    Noun

    • 1. a unit of geological time during which a system of rocks formed;

      "ganoid fishes swarmed during the earlier geological periods"

    收起英英释义
  • 释义
  • 英英释义