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口臭的起因－梅爾·若森博格
2,813,222 views |
Mel Rosenberg |
TED-Ed
• March 2015
Read transcript
觀看課程：http://ed.ted.com/lessons/what-causes-bad-breath-mel-rosenberg 人類自古以來苦於口臭。造成口臭的原因是什麼？為何口臭普遍被認為可怕呢？梅爾·若森博格列舉出口臭的基本知識，以及若罹患口臭，該怎麼處理。 課程：梅爾·若森博格，動畫：安主·福斯特。
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