The first ironclads were wooden ships plated with iron.

首批装甲舰是包着钢板的木船。

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The first iron ore, from a mine run by Luxembourg-based ArcelorMittal, is due in mid-2011.

卢森堡的安赛乐米塔尔经营的矿，它出产的第一批铁矿石是在2011年中完成。

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The blast temperature is low in the first iron mill of jinan Iron and Steel Group Co… It becomes bottleneck of conditioning technique and economic target to elevate the blast furnace.

济南钢铁集团总公司第一炼铁厂热风炉风温较低，成为制约高炉技术经济指标提高的瓶颈。

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Scientists say the presence of iron in the rock shows that the weather was hot and dry when the rock was first formed.

VOA: special.2009.04.15

First of all, iron weapons, not bronze ones.

首先,铁制的兵器,而非青铜的

耶鲁公开课 - 古希腊历史简介课程节选

The first is made of glass and black iron.

VOA: special.2009.11.16

The world's first iron bridge was built there in 1779 by Abraham Darby III.

BBC: Ironbridge Gorge gets ?12m government grant

Ditherington Flax Mill, built in 1797, is the world's first iron-framed building and regarded as the forerunner to the skyscraper.

BBC: Ditherington Flax Mill backed in ?12.1m lottery bid

English Heritage said the Grade I-listed Ditherington Flax Mill in Shrewsbury, built in 1797, was the world's first iron-framed building.

BBC: Ditherington Flax Mill in lottery funding bid