英语语法分析

Tree roots, sidewalk cracks and potholes can be dangerous.

树根、人行道的裂缝和坑洞会带来危险。

Zambia has 12, 500 miles of paved roads but they are riddled with potholes.

赞比亚有12500英里沥青公路，但却坑坑洼洼，洞孔遍布。

Roads are pocked with potholes left by the steady crush of trucks carrying raw materials.

条条马路被装有原材料的大卡车碾得坑坑洼洼面目全非。