paving in lozenge form

例句：

1. 1. The city is being pavedwith asphalt.
   这个城市正在用沥青铺设道路。
2. 2. The construction crew was busypaving the streets.
   施工队忙于铺设街道。
3. 3. The new road will be a majorimprovement to the area's transportation network.
   这条新路将大大改善该地区的交通网络。