highway

highway
/ˈhaɪweɪ; `haɪˌwe/ n
1 (esp US) main public road 公路; 交通要道.
2 direct route by air, sea or land （空中、 水上或陆上的）直接航线或路线
    (fig 比喻) We are on the highway to progress. 我们在走向进步.

牛津英汉双解词典