有人可以为我解释一下吗？
$ rails s
c:/Ruby200/lib/ruby/gems/2.0.0/gems/sqlite3-1.3.7-x86-mingw32/lib/sqlite3.rb:6:in `require': cannot load such file -- sqlite3/sqlite3_native (LoadError)
from c:/Ruby200/lib/ruby/gems/2.0.0/gems/sqlite3-1.3.7-x86-mingw32/lib/sqlite3.rb:6:in `rescue in <top (required)>'
from c:/Ruby200/lib/ruby/gems/2.0.0/gems/sqlite3-1.3.7-x86-mingw32/lib/sqlite3.rb:2:in `<top (required)>'
from c:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime.rb:72:in `require'
from c:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime.rb:72:in `block (2 levels) in require'
from c:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime.rb:70:in `each'
from c:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime.rb:70:in `block in require'
from c:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime.rb:59:in `each'
from c:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler/runtime.rb:59:in `require'
from c:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.5/lib/bundler.rb:132:in `require'
from C:/Users/Sam/Documents/Aptana Studio 3 Workspace/First With Book/config/application.rb:7:in `<top (required)>'
from c:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:76:in `require'
from c:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:76:in `block in <top (required)>'
from c:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:73:in `tap'
from c:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:73:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
这是我的第一个 rails 程序，我正在关注一个更改 gemfile的rails 教程，但它没有用，我想我还没有安装任何东西，我正在运行 gems 2.0.3 和 rails 4.0.0 并使用 ruby 我得到这个：
$ ruby -v
ruby 2.0.0p247 (2013-06-27) [i386-mingw32]