Acrosstheworld11bill的精选

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 (05·上海C篇)Acrosstheworld,1.1billionpeoplehavenoaccessto...

 (05·上海C篇)Acrosstheworld,1.1billionpeoplehavenoaccessto...

2021-11-11
问题详情： (05·上海C篇)Acrosstheworld,1.1billionpeoplehavenoaccesstocleandrinkingwater.Morethan2.5billionpeoplelackbasicsanitation.(卫生设备)Thecombinationprovesdeadly.Eachyear,diseasesrelatedtoinadeq...