Nineoutof10peopleont的知识精选

Nineoutof10peopleontheplanetbreathepollutedair,evenoutd...
问题详情:Nineoutof10peopleontheplanetbreathepollutedair,evenoutdoors,theWorldHealthOrganisationsaid.Some92%ofthepopulationliveinplaceswhereairpollutionexceeds(超过)WHOlimits.Airpollutioncancontributeto...
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