He had no choice but to obey his boss's orders.

He had no choice but to follow his boss's orders.

This fixture is indispensable to my daily life.

The children were playing by beating the pellet drum.

The doctor checked my electrocardiogram.

My electronic dictionary is very convenient.

There is a new radio clock in my room.

I contacted him by electronic mail.

In this area, electric power generation using solar energy is being carried out.

The light bulb in the room has burned out.