Acrosstheworld11bill的精選

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

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

2021-11-11
問題詳情： (05·上海C篇)Acrosstheworld,1.1billionpeoplehavenoaccesstocleandrinkingwater.Morethan2.5billionpeoplelackbasicsanitation.(衛生設備)Thecombinationprovesdeadly.Eachyear,diseasesrelatedtoinadeq...