trackbeds

trackbeds

美 　英

• 网络轨床

词形变化

复数：trackbeds  

英汉解释

n.	1. the foundation, usually of hardened earth and stone or gravel ballast, on which a railroad track is laid

例句

While railroads still maintained their own trackbeds, in effect the government had financed truckers' right-of-way.

对铁路运输而言，虽然铁轨犹在，但政府的资助实际上让卡车货运得以捷足先登。