I have been to Kōnan-koku.

The history of the Empire of Korea is very interesting.

My favorite song is Aegukka.

Flags of all nations are displayed in this park.

He was called a traitor and was criticized by the people.

I am majoring in Korean studies at university.

The steepest descent method is one way to solve optimization problems.

Based on the Air Pollution Control Law, factories must strengthen the management of exhaust gases.

The Riemann sum is a method for approximately calculating the integral of a function.

I plan to go to the People's Republic of China next year.