名詞 aggregation:

1. several things grouped together or considered as a whole
   同義詞：collection, accumulation, assemblage
2. the act of gathering something together
   同義詞：collection, collecting, assembling

1. The aggregation of immense farms under white ownership was a trend at that time.
   大規(guī)模的農場聚集在白人的所有權之下，這在當時是一股潮流。
2. A small mass of tissue or aggregation of cells.
   結組織的小結塊或細胞的聚集
3. An aggregation of similar devices, such as transformers or lamps, connected to each other and used cooperatively.
   一種由一些相似設備(如轉換器、指示燈等)組合而成的聚合體，這些設備相互連接、協同使用。