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

In this chemical reaction, cyclooctadecane is the main product.

Pentadecane is produced in this chemical reaction.

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.

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

He is suffering from the misery brought by literacy.

She was diagnosed with salpingitis.