⏪ 新概念英语 - [3-047] - (97版) ⏩ ⏳ 正在检测本地文件... Listen to the tape then answer the question below.听录音，然后回答下面的问题。What does the writer describe as an 'amusing old-fashioned source of noise'? 作者将什么描述为‘一种有趣的老式噪音源’？Too high a price? 📁 请先导入本地文件， 需要帮助？点击我 ↗