A lot of music is made up of these two-four and four-four sorts of aggregates.
很多乐曲是由,这些二四拍和四四拍的小节组合而成的
耶鲁公开课 - 聆听音乐课程节选
This is solid state up here, aggregates of atoms.
这是固体,是原子的聚合物。
麻省理工公开课 - 固态化学导论课程节选
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