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Atpresent,toomuchcarbondioxide(二氧化碳)makestheearthwarmer...
問題詳情:Atpresent,toomuchcarbondioxide(二氧化碳)makestheearthwarmerandwarmerandcausesterribleeffecttohumanbeings.Tosaveourplanet,tosaveourselves,anewlifestylecalledlow-carbonlife(低碳生活)becomespopul...
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