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- 路基碎石或类似物质做的道路或铁路的基础；路基
A foundation of crushed rock or a similar substance for a road or railroad; a roadbed.
- 道碴用来铺公路或铁路路基的粗砂砾或碎石
Coarse gravel or crushed rock laid to form a bed for roads or railroads.
- 枕木横放在铁路基上以固定铁轨的梁中的一根，通常为木制
One of the beams, usually made of wood, that are laid across a railroad bed to secure the rails.
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