A group of three individuals
A combination of three
Three musicians performing together
The trio was out of camera range a few steps later.
Fred joined the trio and nodded in agreement.
"Don't get us lost," Cynthia cautioned as the trio began the climb downward, away from the mine.
When the trio came back from their walk, the men said their goodbyes and left.
In World War II, the United States went to war with Germany, Italy, and Japan, a trio of undemocratic countries.