高铁 gāotiě HSK4 high-speed rail Definitions Defs Origin Strokes Stroke Words Sentences Sents 京沪高铁 jīnghùgāotiě Beijing-Shanghai High-Speed Railway Beijing-Shanghai High-Speed Railway, completed in 2010; abbreviation for [[京沪高速铁路|京滬高速鐵路|jing1 hu4 gao1 su4 tie3 lu4]]高铁血红蛋白 gāotiěxuèhóngdànbái methemoglobin