He is suffering from chancre.

Casein is a protein that is abundant in dairy products.

I like to eat bread with cheese on it.

I greeted the neighbor.

In Christianity, the Last Supper is considered a very important event.

I have been to Santo Domingo.

The era of the Three Sovereigns and Five Emperors is an important period in Chinese history.

He is studying late into the night to learn a new computer language.

He is collecting centime, the old currency of France.

In order to solve problems, it is important to listen to the opinions of many people, as the saying goes, 'two heads are better than one'.