He went to see a movie with his American friend.

He is a British person, born in London.

He is always the one to bring something up, and he is good at proposing new ideas.

He used a metal detector to search for treasure on the beach.

I spent some break time at the park.

How many years have you been living here?

This compound has a tetrahedral molecular geometry.

The photoelectric effect is a phenomenon where a material emits electrons after absorbing light.

An electrooculogram is a test method to record the movement of the eyeball.

He measured muscle activity using an electromyograph.