19:55 刷毛藏細菌 研究:牙刷用3週比馬桶髒 ( 2019-03-11 )
Mar 11, 2019 ·
1m 41s
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Description
日常的動作，刷牙保持口腔清潔，除了要每顆牙都要刷乾淨 https://news.cts.com.tw/cts/general/201903/201903111954395.html
Information
| Author | 華視新聞 CTSNews |
| Organization | 華視新聞 CTSNews |
| Website | - |
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