roadbed
US /ˈroʊdˌbɛd/
UK /ˈrəʊdˌbɛd/
名词
路基, 路床
the foundation on which a road or railroad track is laid
示例:
•
The construction crew prepared the roadbed for the new highway.
施工队为新高速公路准备了路基。
•
Heavy rains damaged the roadbed, causing delays in traffic.
大雨损坏了路基，导致交通延误。