Replacing black asphalt with vegetation raises rooftop albedo, and evapotranspiration can add humidity to an urban atmosphere; both help mitigate heat-island effect.

用植物代替黑沥青能增加屋顶漫反射系数，蒸散能增加城市大气层的湿度；二者都有助于缓和热导效应。

youdao

The colours chosen are also urban, conjuring up the grey and anthracite of asphalt.

颜色也是基于城市特色选择的：灰色及沥青色。

youdao

Urban road; old asphalt pavement; Cold-regenerating technique; Construction technologies.

城市道路；旧沥青路面；冷再生技术；施工工艺。

youdao