The star implodes and becomes a black hole.

We decided to stay at a local guesthouse during our trip.

He was suffering from muscle contractions due to pain.

His leg suddenly underwent a spasm.

In this chemical reaction, condensation occurs.

When I was a university student, I lived in a boarding house.

He is my archenemy.

This sweater may shrink if you wash it.

This sweater may shrink if you wash it.

This nuclear power plant uses enriched uranium.