town mains

例句：

1. 1. The town mains were resurfaced this year.
   今年对城镇主干道进行了重新铺设。
2. 2. Main roads are usually the first thing people see when they arrive in a new town.
   主要道路通常是人们到达一个新城镇时首先看到的。
3. 3.The town mains are lined with shops and restaurants.
   城镇主干道两旁布满了商店和餐馆。