steel

鋼、鋼鉄

主に鉄から作られ、道具や建物などに使われる丈夫な金属。

やさしい英語で： A strong metal made mainly from iron, used for tools, buildings, and many other things.

• The knife is made of steel.
• They built the bridge with steel beams.
• This factory produces steel for car makers.

よく使う表現： stainless steel, steel beam, steel industry, steel frame