middle-classesCOCA²⁸⁰¹³⁶⁺⁵BNC⁷⁴⁷¹⁹ 基本例句 adj.中层社会的；中产阶级的原型middle-class的复数 The now residents are mainly middle-classes, and most of them live in one or two-storey buildings with different styles which are surrounded by well-cultivated flowers. 现在这个城市里主要居住着中产家庭。他们大都住在一两层高的小楼里。房子风格迥异，周围都精心种着花草。 blog.sina.com.cn