enclosure  
noun uk/ɪnˈkləʊ.ʒər/ us/ɪnˈkloʊ.ʒɚ/
  (SURROUNDED)         
  [ C ]围起来的区域;围场;围地 
an area surrounded by fences or walls
  an enclosure for the horses 牧马的围场 
 the members' enclosure (体育场中的)会员观众席 
  [ C or U ]圈地 
the act of putting fences around land
  An early example of privatization was the enclosure of public land for use by wealthy landlords. 早期私有化的一个例子是富有的地主圈占公共土地据为己有。 
   (SENT)     
 [ C ](信或包裹中的)附件 
something that is put in the same envelope or parcel as something else