roadbed
音标['rәudbed]
汉语翻译
n. 路基
英语解释
名词 roadbed:
- a bed supporting a road
例句
- 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
详细解释
road.bed
n.（名词）
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A layer of ballast directly under the ties.道碴：直接铺在枕木下的石碴The foundation and surface of a road.公路地基和公路路面
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