tube railroad

• 地下铁道

tube railroad的用法和样例：

例句

1. He had made up his mind that he would accompany her as far as the Tube station, but suddenly this process of trailing along in the cold seemed pointless and unbearable.
   他决定送她到地下铁道车站门口，但是突然觉得这样在寒风中跟着没有意思，也吃不消。