在南方的某些大学和居民小区,有些墙体被爬藤类植物包裹着,有的几乎爬到四五层楼高,有的还开着无名的小黄花,煞是好看。远远望去,绿茵茵的,像是一片森林。对此,我不由地想到,给城市绿化用行道树、灌木做快、慢车道和人行道的隔离带,以及 In some universities and residential communities in the south, some of the walls are surrounded by creeping plants. Some climb to almost four or five stories high, and some even have small yellow flowers without names. Looking from afar, greenery is like a forest. In response, I could not help but think of the use of street trees and shrubs in urban greening as a barrier to fast and slow lanes and sidewalks, and