1949；nineteen forty-nine 1875，4；April eighteen seventy-five 1986，9，1；September the first ,nineteen eighty-six 2000，10，12 October the twelveth ,two thousand
1949；nineteen forty-nine 1875，4；April eighteen seventy-five 1986，9，1；September the first ,nineteen eighty-six 2000，10，12 October the twelveth ,two thousand 望采纳！
