Songzan Ganbu then started extensions on his old palace on Red Mountain.The magnificent new palace which stood towering atop the mountain was the famous Potala Palace in its earliest form.是什么意思_Songzan Ganbu then started extensions on his old palace on Red Mountain.The magnificent new palace which stood towering atop the mountain was the famous Potala Palace in its earliest form.在線翻譯_英語_讀音_用法_例句