HOW TO KEEP OUR TEETH HEAITHYAs we all know,teeth are very important to us.But do you know how to keep our teeth healthy?Let me to tell you.At first you should wash your teeth every day and night.Then...你能写出中文来吗？成、怎样保护牙齿健康正如我们所知，牙齿对于我们来说很重要。但是你知道如何保护牙齿么？让我来告诉你首先，你应该每天每夜都刷牙，其次，为了保护你的牙齿你应该少吃甜食。你还应该多吃水果和蔬菜如多你做到这些事情，你就会拥有健康的牙齿{原创哦}谢谢啦！客气、有小学四年级的吗？