都市里的芳草地□汪永晨马路边上种树、栽花，对现代人来说是司空见惯。至于种什么树，栽什么花，沈阳市的一些中学生受“园丁教育科技行动”的影响，想在街边种一些野花。为了这项计划，他们四处选种，希望找到好看且花期长的花种。学生们的这一做法，得到了有关专家的肯... Fragrant grass in the city □ Wang Yong Chen roadside trees, planted flowers, is commonplace to modern people. As for what kind of tree to plant what flowers, Shenyang City, some secondary school students affected by “Gardener Education Science and Technology Action”, want to plant some wild flowers in the street. For this project, they are breezing around in the hope of finding attractive and long-flowering flowers. Students of this approach, has been the willingness of experts ...