There are many chambers in this castle.

There is a large fire wall in front of the fire department.

Linear programming is a part of operations research and is used to find the optimal solution.

This software maintains backward compatibility.

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

He offered sake to the shrine.

His knowledge is extensive, and he can talk about any topic.

His leg is swollen.

I'm looking forward to meeting my friends this weekend.

Digital terrestrial television broadcasting has good picture quality and high sound quality.