Some smokers steal a few puffs on the street before eating some breath mints.
2
如果你没有足够的水通过口腔去冲洗食物残渣，微生物大量繁殖，最终导致舌苔或者口臭。
If you don't have enough water passing through the mouth to wash away food particles, bacteria can proliferate and result in that 'furry' feeling or bad breath.
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