new
underground railroad的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
secret aid to escaping slaves that was provided by abolitionists in the years before the American Civil War
underground railroad的用法和樣例：
例句
用作名詞 (n.)
- There was not an underground in Beijing before.
北京從前沒有地下鐵道。 - The construction of underground railways has eased traffic pressure on the ground.
地下鐵道的修建減輕了地面交通的壓力。
