中国环境问题日益严重，近期席卷北京城的雾霾天气和上海黄浦江死猪事件都将中国城市的环境问题推到了风口浪尖上，雅思口语和听力考试中都可能会出现环境污染的话题，下面我们就一起来学习几个相关的词汇吧。
ClimateChange气候变化CarbonDioxide二氧化碳
Fossil Fuels化石燃料
GlobalWarming全球变暖
Deforestation森林砍伐
Habitat栖息地
Ecosystem生态系统
Biodiversity生物多样性
Contamination污染
Toxic有毒的
Emission扩散
Erosion侵蚀
Drought干旱
Sustainable可承受的
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