Noun:

1. (archeology) the period following the Bronze Age; characterized by rapid spread of iron tools and weapons

2. (classical mythology) the last and worst age of the world

Ironna伊龙纳ironn.熨斗；铁；刚强(复）irons: 镣铐.v.熨；烫adj.铁的；刚强的iron arc lamp铁弧灯iron box test铁箱试验iron fluoride氟化铁iron leaching铁的浸出iron-nickel铁镍合金ironporphyrin铁卟啉iron triangle铁三角iron-oxygen铁氧系iron-doping铁掺杂iron flagpole铁旗杆

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。