The traffic on this road is always congested.

She specializes in the study of sapphism.

Porphyrin is a compound that plays an important role in the body.

In organic chemistry, porphin plays an important role.

Thiophene is a compound often used in organic chemistry.

Fergus is my best friend.

He is using morphine to alleviate pain.

You often see spotted seals in the sea of Hokkaido.

My favorite food is fried chicken.

Newsflash: An earthquake has occurred.