77号元素铱（iridium）的化学符号

Iron is a common element found in the Earth's crust.
铁是在地壳中常见的元素。
The rusting of iron is a chemical reaction with oxygen.
铁生锈是铁与氧气发生的化学反应。
She used a magnet to pick up the iron filings from the table.
她用磁铁从桌子上吸起了铁屑。
The industrial revolution was fueled by the discovery of iron and steel.
工业革命的兴起得益于铁和钢的发现。
The blacksmith hammered the red-hot iron into shape.
锻铁匠将炽热的铁打成形。
Iron deficiency anemia is a common health issue, especially among children.
缺铁性贫血是常见的健康问题，特别是在儿童中。
The iron bridge stands as a testament to the engineering prowess of the past.
铁桥见证了过去工程师们的卓越技艺。
Iron Man is a popular superhero character in Marvel Comics.
钢铁侠是漫威漫画中的热门超级英雄角色。
She ironed her clothes neatly before going to the party.
她在去派对前把衣服熨得整整齐齐。
The ancient Romans built their empire on the strength of iron tools and weapons.
古罗马人凭借铁制工具和武器建立了他们的帝国。