underground railway

• n. 地铁

英英释义

Noun:

1. secret aid to escaping slaves that was provided by abolitionists in the years before the American Civil War

例句

用作名词 (n.)

1. The underground railway is convenient.
   地铁是很方便的。
2. They dived into the Underground to escape the rain.
   他们急忙钻进地铁避雨。

近反义词

【近义词】

• underground railroad 地下铁道