zuò gāotiě 坐 高 铁 Take high-speed rail New Words 1 gāotiě 高铁 high speed rail 2 fādá 发达 developed 3 chéngshì 城市city 4 yīxiàn chéngshì 一线城市 first tier city 5 èrxiàn chéngshì 二线城市 second tier city 6 sānxiàn chéngshì 三线城市 third tier city 7 jiāotōng 交通 transportation 8 fāngbiàn 方便 convenient 9 jiāxiāng 家乡 […]