⏪ 新概念英语 - [4-047] - (97版) ⏩ ⏳ 正在检测本地文件... First listen and then answer the following question.先听录音，然后回答后面的问题。What is one of the features of modern camping where nationality is concerned? 就国籍而言，现代露营的特点之一是什么？The great escape 📁 请先导入本地文件， 需要帮助？点击我 ↗