2025-06-28 22:25 浏览次数 11
风积土
The waters scoured off the soft, windblown soil near the surface and eventually reached bedrock, the hardened lava of the Columbia Plateau.
洪水沖洗掉地表附近松软的风化土,最终到达了巖床,哥伦比亚高原上坚硬的火山巖。