n.聚集( aggregation的名词复数 )，集成，集结，聚集体...

aggregations的音标：...

A pattern of overlapping aggregations is usually found.通常可发现一种叠聚集现象.The atoms of the different chemical elements are different aggregations of atoms of the same kind.不同化学元素的原子是同类原子的不同聚合物.Determines whether level should b...