We may never know whether Mallory actually reached the roof of the world.Nonetheless, his story stands as testimony to6 the power of nature and the intrepid human spirit.是什么意思_We may never know whether Mallory actually reached the roof of the world.Nonetheless, his story stands as testimony to6 the power of nature and the intrepid human spirit.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句