| 单词 | 路基 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔ballast〕Coarse gravel or crushed rock laid to form a bed for roads or railroads.道碴：用来铺公路或铁路路基的粗砂砾或碎石美国传统〔ballast〕To fill (a railroad bed) with or as if with ballast.铺沙石：用或似用沙石铺（铁路路基）美国传统〔bed〕A foundation of crushed rock or a similar substance for a road or railroad; a roadbed.路基：碎石或类似物质做的道路或铁路的基础；路基美国传统〔roadbed〕The foundation upon which the ties, rails, and ballast of a railroad are laid.路基：其上可铺铁道的枕木、铁轨和道碴的地基美国传统〔rubble〕Brick rubble is useful as the base for paths and patios.碎砖石可以用来铺路基和庭院地基。柯林斯高阶〔settle〕The road-bed settled.路基下沉了。21世纪英汉〔subgrade〕The level layer of rock or earth upon which the foundation of a road or railway is laid.路基，地基：在其上铺设路的基础或铁路道碴的岩石或泥土的水平层美国传统〔substructure〕The earth bank or bed supporting railroad tracks.路基：支撑铁路铁轨这路床美国传统〔tie〕One of the beams, usually made of wood, that are laid across a railroad bed to secure the rails.枕木：横放在铁路基上以固定铁轨的梁中的一根，通常为木制美国传统〔washout〕Erosion of a relatively soft surface, such as a roadbed, by a sudden gush of water, as from a downpour or floods.冲刷：相对松软表面的冲刷，如路基被源于暴雨或洪水的水流冲刷美国传统 |
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