It was during the ages of the iron horse that delivery really starts to become fast. The United States translated most folk mails by train by nearly 100 years.
在那个时代，铁马才真正地提高了速度。在美国，主要使用铁路运送邮件有将近一百年了。
2
There had been four ages since the human world first cameinto being .They are the Golden Age, the Silver Age, the Age of Bronze and the Age of Iron.
人类产生以来经历了四个时代: 黄金时代、白银时代、青铜时代、铁器时代。
3
There had been four ages since the human world first cameinto being . They are the Golden Age, the Silver Age, the Age of Bronze and the Age of Iron.