英语解释

roadbed

音标['rәudbed]

roadbed是什么意思、roadbed怎么读

roadbed汉语翻译

n. 路基

roadbed英语解释

名词 roadbed:

a bed supporting a road

roadbed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

roadbed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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