This is the 17210th most frequent Russian word.
стреляют
"Стреляют" means "they shoot" or "are shooting."
Here 'стреляют' is used in its literal sense, indicating the act of shooting.
Во время пьесы актёры стреляют холостыми патронами.
During the play, the actors use blank cartridges.
In this sentence, 'стреляют' is used to describe the action of aiming and firing at a target as part of a sport.
На соревнованиях спортсмены стреляют в мишень.
At the competitions, the athletes shoot at the target.
Here, 'стреляют' is employed metaphorically to describe the action of fireworks being set off.