assemblage         
noun uk/əˈsem.blɪdʒ/ us/əˈsem.blɪdʒ/
 [ C ] formal(集合在一起的)一群人(或动物);一批东西 
a collection of things or a group of people or animals
  A varied assemblage of birds was probing the mud for food. 一大群各种各样的鸟在泥沼中觅食。 
  [ U ]组合;装配 
the process of joining or putting things together