Natural language processing is a technology that allows computers to understand and analyze human language.

The former is my friend, and the latter is my colleague.

An abnormality was observed in his anterior chamber.

This perfume contains ambergris, an expensive ingredient.

He is a kind person.

We must strive to protect the natural environment.

He was turned away at the gate of that restaurant.

His self-righteousness is making communication within the team difficult.

He should change his self-righteous attitude.

After a cold front passes, the temperature drops sharply.