My new keyboard makes typing very enjoyable.

He chose to discard the shadow for the substance.

We visited a bauxite mine.

He is majoring in electrical engineering.

He is undergoing electrotherapy for his back pain.

It's difficult to understand the principles of electrooptics.

Fundamental interaction is one of the most important forces in physics.

My father is an ichthyologist and has a deep knowledge about marine life.

The chances of him winning are a hundred to one.

He is the type of person who understands ten from hearing one.