鋼筋混凝土英文是reinforced concrete。
詞典：
reinforced concrete; RC; ferroconcrete
例句：
It was only thirty years ago that the building industry felt confident enough to erect office blocks of steel and?reinforced concrete?that had more than a dozen floors.
建築行業是從30年前才開始有信心建造超過12層樓高的鋼筋混凝土結構的辦公大樓。