trav. 基本例句 abbr.=traveler Based on the analysis above, I introduce the TRAV concept of T. 在以上分析基础上，引进美国学者 T。 cnki Few Chinese cities were open to foreigners, and we needed trav-el permits everywhere we went. 那时只有极少的中国城市对外国人开放，去哪儿都要得到批准。 edu.sina.com.cn