The puborectalis muscle plays a crucial role in controlling defecation.

The population of this town is rapidly increasing.

懲 may not be used as a surname.

He received training as a paratrooper.

This book is easy to read because the print is large.

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.