⏪ 新概念英语 - [3-023] - (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 was it about snails that made the writer collect them for his friend on that in particular? 蜗牛的什么特点使得作者特意为他的朋友收集它们？One man's meat is another man's poison 📁 请先导入本地文件， 需要帮助？点击我 ↗