n.铁

Iron is a key component of hemoglobin, the protein in red blood cells that carries oxygen throughout the body.
铁是血红蛋白的关键成分，血红蛋白是红细胞中的蛋白质，负责将氧气输送到全身。
The process of rusting is an oxidation reaction involving iron and moisture.
生锈的过程是一种涉及铁和水分的氧化反应。
Iron is one of the most abundant elements on Earth, comprising about 5% of the planet's crust.
铁是地球上最丰富的元素之一，占地球地壳的大约5%。
The strength of steel, a common alloy containing iron, is due to the presence of carbon.
钢的强度，一种常见的含铁合金，是因为碳的存在。
Iron deficiency is a common nutritional problem, particularly among children and women of reproductive age.
缺铁是一种常见的营养问题，尤其是在儿童和育龄妇女中更为常见。
The Iron Age was a period in history when the use of iron for tools and weapons became widespread.
铁器时代是历史上一个时期，那时铁被广泛用于制造工具和武器。
Iron supplements can be prescribed by doctors to treat anemia caused by iron deficiency.
医生可以开具铁补充剂来治疗由缺铁引起的贫血。
The Eiffel Tower, an iconic Parisian landmark, is made primarily of wrought iron.
埃菲尔铁塔，巴黎的一个标志性地标，主要由锻铁制成。
Iron meteorites, which are believed to originate from the core of asteroids, have been found on Earth.
相信起源于小行星核心的铁陨石在地球上被发现过。
Iron is also used in the production of magnets, as it can be magnetized easily.
铁也被用于磁铁的生产，因为它很容易被磁化。