補牙新方法：自然再生牙齒 A New Way to Get Your Teeth Back

Everyone is expecting doctors to make a breakthrough in cancer treatment.
大家都希望醫生能在癌症治療上有所突破。

The invention of the smartphone was a technological breakthrough.
智慧型手機的發明曾是科技上的一大突破。

If you have dental problems, you should go to see a 
dentist. 
如果你有牙齒方面的問題，應該去看牙醫。

The experienced dentist works at a dental clinic and 
also sometimes lectures at a national university.
此經驗豐富的牙醫在某間牙科診所工作，有時也會到在國立
大學講課。

Since Kent didn’t look after his teeth properly when 
he was younger, he suffered a lot of dental decay.
由於肯特在他年輕時就沒有好好地顧好自己的牙齒，所以他
有很多蛀牙。

This plastic is amazingly durable.
這種塑膠出奇地耐用。

The latest bus timetable can be obtained at the tourist center.
最新的公車時刻表可在遊客中心索取。