This temple is an ancient ruin.

He is majoring in electrical engineering.

I want to go to Sweden.

A tram is running down the street.

There is a state-of-the-art electron microscope in my laboratory.

The battery has run out, so I have to go buy a new one.

Electroporation is a biotechnology technique that creates temporary holes in the cell membrane to incorporate substances into the cell.

He is undergoing electrotherapy for his back pain.

It's difficult to understand the principles of electrooptics.

There is an old incandescent light bulb in my room.