After reading these articles, they feel all dirty, they are all microbes. Alas, the air is still bacteria. I wonder how I survived.
RE: How Often Should We Wash Our Bed Sheets?床单应该多久洗一次？科学家说，一周！原因如下……
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How Often Should We Wash Our Bed Sheets?床单应该多久洗一次？科学家说，一周！原因如下……