帮忙翻译一下
1，社会各界，全球华人纪念郑和下西洋的创举（注意西洋的翻译），表现了大家对历史的尊重，现实的关注和对未来的期盼．
2，公元1405年至公元1433间,郑和率领庞大的船队,在江苏泰兴出发,七下西洋,人数之多,范围之大,技术之新,前所未有.
3,郑和七下西洋表现了非凡的勇气,中华民族在历史中就致力于打开国门,走向世界.
参考答案:1, society from all walks of life, the global Chinese people commemorate under Zheng He Western world's pioneering work (to pay attention to Western world's translation), has displayed everybody to the history the respect, realistic attention and to future hope.
2, from 1405 to A.D. 1433 between,Zheng He leads the huge fleet,Embarks in the Jiangsu Taixing,Seven Western world,Many population,Big scope,New technical,Unprecedented.
3,The Zheng He seven Western world has displayed the extraordinary courage,The Chinese nation devote in the history in opens the entrance to a country,Moves towards the world.