The interceptor chases enemy bombers at high speed.

My new grinder can grind coffee beans perfectly.

He carefully maintained his beloved aircraft.

My father bought a new excavator.

He solved complex mathematical problems using his new calculator.

My new vacuum cleaner is very quiet.

My father is an aircraft pilot.

He works as a fighter jet pilot.

In psychology, it is important to understand the mechanism behind human behavior.

This engine is old, but it still works.