travel documents
旅行证件
an official paper or book that gives information about sth, or that can be used as evidence or proof of sth 文件；公文；文献；证件:
15秒记一个单词（第927个）document
travel documents
旅行证件
an official paper or book that gives information about sth, or that can be used as evidence or proof of sth 文件；公文；文献；证件:
