infinity               
noun uk/ɪnˈfɪn.ə.ti/ us/ɪnˈfɪn.ə.t̬i/
 [ U ](时空的)无限 
time or space that has no end
  the infinity of the universe 宇宙的无限 
 the concept of infinity “无限”这个概念 
  [ U ]无限远的点,无穷远 
a place that is so far away that it cannot be reached
 figurative The mountain range stretched away into infinity. 山脉延绵不绝。 
  [ U ]无穷大 
a number that is larger than all other numbers
  [ S ]无数 
an extremely large number of something
  an infinity of stars in the galaxy 星系中的点点繁星