He takes an anti-vaccine stance.

He is receiving treatment for inversion of the foot.

His foot is exhibiting inversion.

Gravitational interaction creates attraction between objects.

He likes to take a walk in the park at dusk.

The central processing unit of this computer is very fast.

This speech synthesizer generates very high-quality voices.

He started walking around the room in an anticlockwise direction.

Retroflex sounds are difficult to pronounce.

He deeply studied the history of anti-Semitism.