每天一个生活口语话题，一段地道的举例回答，并附有详细的词汇，发音及用法讲解。讲解材料选自当今最先进最有效的英语原版教材，更加贴近生活。每天坚持听讲解，并根据问题练习，给自己一个地道输入和输出的机会，你也可以张口自信说英语。

主题：How do you take care of your teeth?

Well, dentists say that the most important part of tooth care happens at home. I brush my teeth twice a day, and floss them whenever I need. I also have regular dental checkups to prevent tooth decay and gum disease. That's how I get really good teeth.

Dentist: 牙医
Floss: 使用牙线
Tooth decay: 蛀牙
Gum: 牙龈