iron

• Lead has a lower melting-point than iron .
  铅的熔点比铁低。
• A fluctuating magnetic field is produced in the iron .
  铁心中就产生交变磁场。
• When he went away he was made of iron .
  他去的时候象铁汉。
• Iron reacts with water and air to produce rust .
  铁与水和空气起化学反应而生锈。
• Our country produces not only coal , but also iron .
  我们县不光出煤，而且出铁。
• An iron proscenium of number frames the tragedy .
  数字这座钢铁舞台注定了这出悲剧。
• Iron corrodes unless it is greased or kept clean .
  如果不涂油或保持清洁铁便会腐蚀。
• My constitution is an iron one .
  我的身子骨是铁打的。
• The expansionists are fond of resorting to blood and iron .
  扩张主义者喜欢滥用武力。
• To smelt iron ore in a blast furnace can obtain iron .
  在高炉中熔炼铁矿石，可取得铁。