He is suffering from acute leukemia.

This mutetrahedron plays a very important role in the world of mathematics.

I have never eaten dog meat.

The Simple Network Management Protocol is for making the management of network devices easier.

My favorite cheese is Roquefort.

He was feeling loneliness.

He is feeling solitude.

This chestnut tree bears a lot of fruit every year.

I walk in the park for an hour every day.

He was immersed in music.