音標發(fā)音英式音標 [???.b?.t?l ?r??d]美式音標 [???r.b?.t??l ?ro?d]英式發(fā)音 美式發(fā)音 基本解釋（城市的）外環(huán)路，環(huán)城公路。同根派生 orbital road相關(guān)詞英英字典劍橋英英字典 a road that takes traffic around a city rather than through itorbital road劍橋字典orbital road柯林斯字典