This compound contains cyclotetradecane.

This compound mainly consists of cyclotridecane.

I am planning to go to Gangwon in Korea next week.

He is majoring in syntax at university.

The hutongs in Beijing reflect the life of ancient China.

His heartbeat quickened.

My heart is beating for you.

This copper pot is an ancient craft.

This eigenfunction is one of the fundamental concepts of quantum mechanics.

This music is said to have a sleep-inducing effect.