I am majoring in Korean studies at university.

He has an absolute pitch, so his musical talent is very high.

In organic chemistry, cyclodecane is a cyclic saturated hydrocarbon consisting of ten carbon atoms.

In this chemical reaction, cyclooctadecane is the main product.

Pentadecane is produced in this chemical reaction.

In organic chemistry, a cycloalkane is a compound with a structure in which carbon atoms are linked in a ring.

His room exudes a calm atmosphere with indirect lighting.

They built a deep emotional bond before they had a physical relationship.

His articular cartilage has worn down due to age.

I work at the summary court.