This music is said to have a sleep-inducing effect.

He is deeply studying the civil code.

He became friends with the locals of this area.

As a descendant of the Korean citizens, he is proud of their history.

This area is still undeveloped.

She was just waiting for his return, like a passive waiter.

This old document contains the word 'Kamimoromi'.

The Sahrawi Arab Democratic Republic is located in the northwest of Africa.

Democratic Kampuchea was the official name of Cambodia from 1975 to 1979.

On sleepless nights, I sometimes take a soporific.