Fifty years is a short period in the long process of human history. However, in the past 50 years Tibet, an ancient and mysterious land, has undergone tremendous changes far beyond comparison with those in any other era.是什么意思_Fifty years is a short period in the long process of human history. However, in the past 50 years Tibet, an ancient and mysterious land, has undergone tremendous changes far beyond comparison with those in any other era.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句