He underwent a cerebrospinal fluid test.

He changed his clothes immediately after exercising at the gym.

The Japanese tree frog is croaking in the pond.

He was shivering from the cold.

We took a break at a roadside station during our trip.

The pool water is disinfected with chlorine.

My relationship with him is exactly an unhealthy but unescapable relationship.

Sitting on the park bench, I was staring at the withered tree branch.

He is a person who can distinguish between good and evil.

Due to the new coronavirus, we had to undergo a two-week quarantine.