roundabout route环行: go in a ring; circumnavigati ...航线: airline or shipping line飞行航线: air lane; airline; flight lane; flight routing; flying route; line of flight; vector滑行航线: taxi route南行航线: southbound route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:环行航线,即可在微信中查询翻译