trackbed

发音

US /ˈtɹækbɛd/
其它
UK /ˈtɹækbɛd/

词形变化

trackbeds 复数 trackbeds

别名

track bed track-bed

释义与例句

n.
  1. 1.

    The layer of gravel or other foundation on which a railway track is laid.

    交通
  2. 2.

    The land on which a railway (especially one that has been closed or dismantled) was built; the roadbed for a railroad.

    交通

    Holonym: right of way

词源

From track + bed (“place, or flat surface or layer, on which something else rests or is laid”).

来源：wiktionary