We participated in three-legged races at the school sports day.

My daughter had the three-day measles last month.

The three-toed sloth hangs upside down from tree branches.

The three-pipe problem is a famous mystery in Sherlock Holmes stories.

He lived for three score and ten years.

I dropped my cookie on the floor, but I still ate it because of the three-second rule.

Three-step snakes are commonly found in tropical rainforests.

The three-step snake slithered through the grass.

The three body problem is a famous physics problem that involves the motion of three celestial bodies under the influence of their gravitational forces.

World War Three is a possible future global conflict.