beltway
英 [ˈbeltweɪ]
美 [ˈbeltweɪ]
n. (尤指环绕华盛顿特区的)环行路，环路
COCA.23053
牛津词典
noun
- （尤指环绕华盛顿特区的）环行路，环路
a ring road , especially the one around Washington DC
柯林斯词典
- 环城公路；环线
Abeltwayis a road that goes around a city or town, to keep traffic away from the centre.
in BRIT, use 英国英语用 ring road
英英释义
noun
- a highway that encircles an urban area so that traffic does not have to pass through the center