My work has been very busy recently, and I hardly have time to rest.

An antiparticle is a particle that has the opposite properties of matter.

The repulsive force of this magnet is very strong.

His popularity plummeted due to the backlash of that policy.

In geology, the study of inversion tectonics plays an important role.

He is suffering from a disease of the macula.

He deeply reflected on his actions.

He was reflecting on his actions.

'Hot' and 'cold' are antonyms.

His criminal act was revealed by the police.