How to brush your teeth? You should brush your teeth twice a day. First, brush your teeth the inside surface of you teeth. Always move your brush in small circles. Next brush the outside surface of your teeth. Then brush the biting surface of your teeth. After that wash your mouth with water. You should eat a lot of vegetable and fruit. You shouldn't eat lots of chocolate and sweets. They are not good for you teeth.

你怎样刷牙呢?每天你应该刷两次牙。首先，刷你牙齿的内表面，让你的牙刷在一个小圈内不停的移动。接下来刷你牙齿的外表面，然后，刷你牙齿的咬合面，之后，漱口。你应该多吃蔬菜和水果，不能吃太多的巧克力和糖，对牙齿无益。