Light rail rapid transit ( LRRT) is a newly emerged mode of city transport based upon highly modernized trams together with substantially segregated tracks.是什么意思_Light rail rapid transit ( LRRT) is a newly emerged mode of city transport based upon highly modernized trams together with substantially segregated tracks.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句