谁知道这首歌叫什么名字?歌词是：Baby,you're a firework.Come on,let your colors burst.

Katy Perry - Firework歌词是：Do you ever feel like a plastic bag,你可曾想过自己像个垃圾袋,drifting through the wind在风中飘来飘去,wanting to start again?想要重新开始?Do you ever feel,feel so paper thi...