living district短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 住宅小区 And there were high of particulate in industrial area and shopping center but low concentrations in living district and suburb. 纳米颗粒物总粒子数浓度和质量浓度在工业区和商业区较高,而在生活区和郊区较低。 search.gucas.ac.cn Each living district in the city is round with elms. 城内每个生活区的四周都用榆树修成篱笆。 blog.sina.com.cn