He received a tetanus vaccination.

He sealed the old book.

This ancient document states that the power of the ancients was sealed.

The denuclearization of North Korea is an important issue for world peace.

He compared his grades with his friend's grades.

He is wearing a leather jacket.

We will use boric acid in this experiment.

We would appreciate it if you could respect our opinion.

He has a deep interest in the culture of the Eastern nation.

He started his journey towards the east.