improved earth road造句

例句与造句

1. Typically they are improved earth roads which are occasionally paved.
2. By 1933 the SH 20 designation was dropped over the Fredericksburg to Kerrville highway and extended instead over the auxiliary route SH 20A . That year the road was described between Fredericksburg and Hempstead as paved except for the portion in Kimble County portion remained as an improved earth road.
3. It's difficult to find improved earth road in a sentence. 用improved earth road造句挺难的