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underground railroad是什么意思，underground railroad的翻译，underground railroad音标、读音、用法和例句_歐米惠必应词典
歐米惠必应词典

underground railroad

U 开头单词

同根派生

     

英汉例句

    用作名詞 (n.)

  • There was not an underground in Beijing before.
    北京從前沒有地下鉄道。
  • The construction of underground railways has eased traffic pressure on the ground.
    地下鉄道的脩建減輕了地麪交通的壓力。