Her father, David Stewart, made a great deal of money in the trade of linen cloth and iron.

VOA: special.2009.01.11

Because the earth is made of iron, heaven knows everything is made of the same stuff, all heavenly bodies.

因为地球是由铁构成的，上帝知道一切,世间万物是由同一东西组成的，即天体。

麻省理工公开课 - 固态化学导论课程节选

The ball was made of iron and wood and it was lit with one hundred lights.

VOA: special.2009.12.28

The first is made of glass and black iron.

VOA: special.2009.11.16

"We just labored really hard to say, okay,we're audience members who made the first 'Iron Man' successful and we're smart, which is kind of why we were drawn to it;

VOA: standard.2010.05.19