China will become a high-speed rail leader in the world after several years of rapid development Ignacio Barron the director of High Speed of International Union of Railways (UIC) said on Wednesday.是什么意思_China will become a high-speed rail leader in the world after several years of rapid development Ignacio Barron the director of High Speed of International Union of Railways (UIC) said on Wednesday.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句