belt highway城市: city; town; abad; conurbatio ...周围: around; about; round; on eve ...的: 4次方是 The fourth power of 2 i ...环状: cyclic annular; ringlike公路: highway下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:城市周围的环状公路。，即可在微信中查询翻译
