Azumi's Easy Japanese Small Talk #336 Researchers: Humidifying Rooms Reduces Spread of Coronavirus
Azumi’s Easy Japanese Small Talk - Ein Podcast von Azumi
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「湿度が低いほうがウイルスがうつりやすい」富岳で計算 https://www3.nhk.or.jp/news/easy/k10012661241000/k10012661241000.html
