求翻译：杯芳烃是由苯酚单元与甲醛缩合而成的大环化合物，具有空腔可调节、构象可变化、结构易修饰和合成较方便等优点，被认为是继冠醚、环糊精之后的第三代主体化合物。是什么意思？

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The cup aromatic hydrocarbon is the big cycle compound which becomes by the phenol unit and the formaldehyde condensation, has the cavity to be possible to adjust, the conformation transmutability, the structure easy to decorate and the synthesis is convenient and so on the merits, after was conside

Calixarenes are macrocyclic condensation of phenol and formaldehyde compounds, with cavity adjustable structure easy modification and synthesis, conformational changes, more convenient and so on, is thought to be after the Crown ether Cyclodextrin main compounds of the third generation.

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