雅思口语Part 2：解放双手，改变生活
本期故事适用话题：An invention that is useful in your daily lifeSomething you cannot live withoutSomething that was broken in your home and repairedA gift you would like to buy for your friendAn invention that has changed the worldA piece of equipment that is important in your home更多内容，关注公众号《Yolo雅思》获取每日英文原稿+中文翻译
The skinny
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