In geomorphology, an antidune is a special type of sand dune that forms on the downstream side of a water flow.

His son was born with clubfoot.

The central processing unit of this computer is very fast.

We should always remember the power of Kannon in difficult times.

It is important to distance yourself from antisocial forces.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.