He searched for a flashlight in the darkness.

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.

The doctor used an electrocardiograph to check the condition of my heart.

He measured muscle activity using an electromyograph.

I examined muscle activity using an electromyogram.

He is somewhat naive due to his sheltered upbringing.

He was plucking flowers in the garden.

Let's participate in the election by using early voting.

kensuke is good at kendama.