自从开展全民义务植树运动以来,城市绿化发展很快,出现了建国以来少有的好势头。最近几年,全国城市每年约植树一亿株左右,城市中的草坪也越来越多,真可说是绿树浓荫,青草如茵,一派生气盎然的景象。尤其令人高兴的是,许多城市的闹市街头和僻静胡同都出现了一盆盆鲜艳美丽的花卉,千家万户的阳台和窗台摆上了各种名花异草,还有不少珍贵的 Ever since the people’s voluntary tree-planting campaign was carried out, urban afforestation has developed rapidly, showing a rare good momentum since the founding of the People’s Republic. In recent years, about 100 million trees have been planted annually in cities all over the country. There are also more and more lawns in the cities. It is truly a tree-lined, grassy scene full of vitality. Particularly pleasant is that in many cities downtown and secluded alley have emerged a pot of fresh and beautiful flowers, thousands of households on the balcony and ledge put on a variety of flowers and weeds, there are a lot of precious