A nuclear submarine can travel underwater for a long time.

He started smoking due to peer pressure.

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.