the Iron Age

• 铁器时代

the Iron Age的用法和样例：

例句

1. During the Iron Age, the first rotary mill appeared in Britain.
   在铁器时代，英国出现了第一台旋转式碾磨机。
2. The period in which man learnt to make tools of iron is called the lron Age.
   人类学会制造铁器的时期称为铁器时代。