1. Features of the second set of Sailor Dance: the music has a lively rhythm and makes people happy. The steps are smooth and easy to master. The dance movements focus on the coordination of arms and footsteps, focusing on the rhythm of the body.

2. The four characteristics of Sailor Dance: strong rhythm, more passion, and richer dance movements, including jumping, turning, etc.

3. The seven sets of sailor dance features: bright and powerful rhythm, full of vitality, complex and changeable dance movements, including various jumps, turns and step changes.