Represented is the way I milk engineer who presided over the design of the Chinese people to build the first railway autonomy - Jing Zhang Railway帮忙写写詹天佑的为什么要建造这条铁路，原因大致就是为了民族的利益等等吧，单词简单一点的，快一点，等着急用，谢谢啦！！Represented to name race, national interests, not afraid to laugh, not afraid of difficulties. Is the most distinguished engineers.给分啦！