You should brush your teeth three times a day, okay?
ÀÌ´Â ÇÏ·ç¿¡ ¼¼ ¹ø ´Û´Â °Å¶õ´Ù. ¾Ë°ÚÁö?
ÇÏ·ç¿¡ ÇÑ ¹ø : once a day
ÇÏ·ç¿¡ µÎ ¹ø : twice a day
ÇÑ ÁÖ¿¡ ÇÑ ¹ø : once a week
ÇÑ´Þ¿¡ µÎ¹ø : twice a month
teeth´Â toothÀÇ º¹¼öÇüÀÔ´Ï´Ù.
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