highway and transportation

例句：

1. 1. The highway is lined with trees and flowers.
   这条高速公路两旁种满了树木和花朵。
2. 2. The highway connects two cities in the north of the country.
   这条高速公路连接了该国北部的两个城市。
3. 3.The highway was closed for repairs due to a major accident.
   由于一次重大事故，这条高速公路被关闭进行维修。