roadbed

A noun referring to the foundation or base layer upon which a road is constructed, providing structural support for the pavement.

• 🇨🇳指道路的基础层或承重层，为路面提供结构支撑。

1. Road foundation C1 formal

   The prepared ground or base layer that supports the surface of a road or railway track.

   • The roadbed was carefully leveled before the asphalt was laid.
   • Engineers inspected the roadbed for signs of erosion.
   • A solid roadbed is essential for a durable highway.

   🇨🇳路基

   同义词: basebedfoundationsubstructure

• roadbeds plural form
• roadbeds' possessive plural form
• roadbed's possessive singular form