1·Deficiency of red corpuscles is caused by a lack of iron.
红血球数量不足是铁元素缺乏造成的。
—— 《柯林斯英汉双解大词典》
2·Our monitor is a man of iron will who gets up at 5 o'clock every morning to read English aloud.
我们的班长是一个意志坚强的人，他每天早上五点起床早读英语。
3·The diffusion of agriculture and later of iron was accompanied by a great movement of people who may have carried these innovations.
农业和之后铁器的普及，是伴随着可能传播这些创新的人们的一场运动而来的。
4·China accounts for more than half the world's consumption of cement, and nearly half its use of iron, coal, lead, zinc, aluminum and pigs.
中国的水泥消费量占全球一半以上，铁、煤、铅、锌、铝和猪肉使用量占全球近一半。
5·Knowledge of iron making penetrated into the forest and savannahs of West Africa at roughly the same time that iron making was reaching Europe.
大约在制铁技术传到欧洲的同时，西非的森林和大草原上也开始有了制铁的知识。
6·However, an experimental release of iron compounds into one such area failed to produce a thriving plankton population, even though local iron concentrations increased immediately.
然而，尽管当地铁浓度立即提高，在一个这样的区域实验释放铁化合物却没有产生大量的浮游生物。
7·They struck a rich seam of iron ore.
他们开出一个富铁矿层。
—— 《牛津词典》
8·Many of the men had armed themselves with staves and pieces of iron.
很多男人用棍棒和铁器将自己武装起来。
—— 《柯林斯英汉双解大词典》
9·She was working on a large piece of iron.
她正在加工一大块铁。
10·How can you make a large piece of iron into a needle?
你怎么能把一大块铁变成一根针呢？