NocavitiesNo cavities我没有蛀牙A smiling boy arrived home from a dental visit, Hey mom ,the dentist says I have no cavities.小男孩看完牙医，面带微笑地回到家：“嘿，妈妈，牙医说，我一颗蛀牙也没有。”His mom stared at him wide-eyed and quite surprised, lts impossible-you never brush your teeth after cleaning the chocolate box before you go to bed!妈妈惊讶地瞪大眼睛：“不可能你每回上床睡觉前都把巧克力吃完，而且从来不刷牙！”Then the boy opened his mouth-he had not a tooth left!这时，男孩张开了嘴巴他的牙全被拔光了！
