first class highway

例句：

1. 1.The first class highway connects the cityto the countryside, providing a smooth andefficient travel experience.
   这条一级公路将城市与乡村连接起来，提供了一种流畅且高效的旅行体验。
2. 2. The first class highway isalways crowded with tourists during peak seasons.
   在旅游旺季，这条一级公路总是挤满了游客。
3. 3. The first class highway is an essentialpart of the transportation network in the region.
   这条一级公路是该地区交通网络的重要组成部分。