In 2003, Ralston, then 27, was climbing alone in Blue John Canyon in southeastern Utah. He told no one about his planned route, a decision he would come to regret.是什么意思_In 2003, Ralston, then 27, was climbing alone in Blue John Canyon in southeastern Utah. He told no one about his planned route, a decision he would come to regret.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句