Histidine is one of the essential amino acids that cannot be synthesized in the human body.

He is a Japanophile, holding deep respect for Japanese culture.

The Jingi-kan was an institution in charge of religious administration in ancient Japan.

He is a loyal retainer of our house.

They decided to raid the enemy's camp.

She is an exceptionally skilled female martial artist.

In arid regions, there is little rain, making it difficult for plants to grow.

He is afflicted with a serious illness.

This cake is very sweet.

I am studying a foreign language.