雅思口语Part 3：每天五分钟，为地球做一件小事
本期重点词汇和表达：sort waste 垃圾分类form green habits 养成环保习惯install purification equipment 安装净化设备upgrade clean production technology 升级清洁生产技术balance industrial growth with ecological safety 平衡工业发展与生态安全energy-saving devices 节能设备low-carbon transport 低碳交通white pollution 白色污染climate change 气候变化natural ecosystems 自然生态系统更多内容，关注公众号《Yolo雅思》获取每日英文原稿+中文翻译
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