Chou is my best friend.

He has problems with executive functioning.

His high-functioning smartphone greatly helps his daily life.

This high-functionality smartphone has many convenient features.

The doctor recommended a blood test to check my liver function.

This room is equipped with a TV and air conditioning.

The transmission of this car is very smooth.

This transporter is designed to carry luggage efficiently.

This experimental device is used to create new substances.

He is making a Rube Goldberg machine at home.