iron
/aɪərn/
a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
中文释义：铁；熨斗
Iron is an essential mineral for the production of red blood cells.
铁是红细胞生成所必需的矿物质。
She used an iron to remove the wrinkles from her cotton shirt.
她用熨斗熨平棉衬衫上的褶皱。