These flooded caves in Mexico have remained virtually unchanged for thousands of years. 墨西哥的这些水洞 几千年来几乎保持不变

阅读次数 3
unchanged remained caves mexico flooded thousands virtually these for of in have years
  1. Structures like these in North America's Carlsbad Cavern
    北美洲卡尔斯巴德溶洞中的这些构造
  2. can take many thousands of years to develop.
    经历了数千年的形成过程
  3. But sometimes the formations in a cave stop growing altogether.
    但有时洞穴内的这些活动会完全停止
  4. These flooded caves in Mexico have remained virtually unchanged for thousands of years.
    墨西哥的这些水洞 几千年来几乎保持不变
  5. Since the last Ice Age they've become cut off from the outside world.
    自从上一个冰川期以来 它们便已和外界隔绝
  6. Yet their impact on life on the surface has been huge.
    然而它们对地面上的生物 却有着极其深远的影响
  7. 500 years ago they supported one of the world's great civilisations
    500年前 它们维系着 一个世界上最伟大的文明

来自《行星地球 第一季 第四集 Planet Earth S01E04 洞穴》第 161 行

Walden21
0 Answers