怎样刷牙 How to brush your teeth
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 shouldnt eat lots of chocolate and sweets. They are not good for you teeth.
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怎么刷你的牙齿？每天你该刷两次牙。首先，刷你牙齿的内表面。让你的牙刷在一个小圈内不停移动。下面刷你牙齿的外表面。然后，刷你牙齿的咬合面。之后，漱口。你应该多吃蔬菜和水果。你不该吃太多的巧克力和糖，它们无益于你的牙齿。