⏪ 新概念英语 - [4-041] - (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。At what point does the training of a captive wild elephant begin? 捕获的野生大象的训练从什么时候开始？Training elephants 📁 请先导入本地文件， 需要帮助？点击我 ↗