Microscope Hand Germ - 搜索图片

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YouTube > Nomadic Nostoc
Germ vs Soap. What happens when we wash hands? (Microscope Footage)
YouTube · Nomadic Nostoc · 12.4万次播放 · 2020年6月25日
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YouTube > CNA
The bacteria living on your hands right now
YouTube · CNA · 12.7万次播放 · 2018年4月15日

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Bacteria under the Microscope (E. coli and S. aureus) - YouTube
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