sophistication
n[U]
quality of being sophisticated 世故; 复杂性
proud of her newly-acquired sophistication 她因最近学得老成而自豪
the sophistication of modern aircraft 现代飞行器的高精尖.
The parquet floors shone like mirrors; highly polished silver was displayed in gleaming glass cabinets; even my uncle's huge collection of books was kept miraculously free from dust.