He is part of a rescue team, engaged in rescue operations in disaster-stricken areas.

He rescued a person drowning in the sea.

I was surprised at his quick progress.

The dermatologist examined the papule that appeared on my face.

Observing the movement of the celestial sphere is a fundamental part of astronomy.

He was giving her flowers every day to court her.

He began his courtship of her.

He made an unreasonable demand on me.

The view from the top of the hill is very beautiful.

I believe this love will last forever.