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.

His articular cartilage has worn down due to age.

I work at the summary court.

He committed another crime while on probation.

Due to the impact of the Wuhan virus, the whole world is in a difficult situation.