Bill invented the method of using a hot branding iron to permanently put the mark of a ranch on a cow's skin.

VOA: special.2011.06.11

The one that I've got written down for you is it's the reverse of the rusting of iron, right?

我给你们写的是,铁的锈蚀的逆过程？

麻省理工公开课 - 热力学与动力学课程节选

If he switched from gold to let's say iron, he also tried platinum, a number of different foils, he found that they count rate it still was 20 alpha particles per minute.

金箔的时候，计数率就变成零了,如果他把金换成比如说铁，他们还尝试了铂,还有一系列其他的箔片，他发现计数率还是每分钟。

麻省理工公开课 - 化学原理课程节选

As the nation's need for steel grew, bigger ships were built to carry iron ore.

VOA: special.2009.11.11

So we'll have an iron oxide species. It's a solid.

那么我们有氧化铁，它是固体。

麻省理工公开课 - 热力学与动力学课程节选

This year's crop includes vampires, talking toys,an Iron Man and, of course,love.

VOA: special.2010.06.14

Let's choose Latin, the language of scholarship, and so iron became Fe for ferrum and lead became Pb for plumbum and gold is Au for aurum and so on.

那就选拉丁文吧，用于学术的语言，所以，iron就变成了Fe，表示铁元素,铅变成了，Pb，表示铅元素,金变成了Au，表示金元素，等等。

麻省理工公开课 - 固态化学导论课程节选

Israel's new anti-rocket system, called the Iron Dome, has passed final tests and will be deployed near the country's borders by November.

VOA: standard.2010.07.20

Iron as an element is a solid. That's it's most stable state at room temperature and pressure, right, and so on. And then we can figure out heats of formation.

铁单质是固态,这是他在室温和常压下,最稳定的状态，然后我们,可以算出生成热，现在这个。

麻省理工公开课 - 热力学与动力学课程节选

Last week Rio Tinto, the world's second-largest iron ore exporter, reported a 49 percent gain in fourth-quarter output.

VOA: standard.2010.01.21

More surprised than most by the event's success is Stan Lee - the 87-year old co-creator of Spiderman and Iron Man comic books.

VOA: standard.2010.07.23

Now,researchers have identified a link between the body's system for regulating iron and breast cancer.

VOA: standard.2010.08.05

"We've seen good levels of output, and given that, for the bulk commodities in particular that's the iron ore and coal both steaming and coking those prices are looking strong.

VOA: standard.2010.01.21

The company's output of iron ore, as well as copper, zinc and nickel, surged in the last three months of 2009 because of strong demand from Chinese carmakers and construction companies.

VOA: standard.2010.01.21

China's imports of iron ore in 2009 rose by more than 40 percent, a buying spree economists say was driven in part by efforts to stockpile supplies while global prices are low.

VOA: standard.2010.01.21