"roller skating"的定义和意义

What is "roller skating"?

Roller skating is a recreational activity or sport where a person glides on surfaces using shoes with four wheels, typically arranged in two pairs. It can be done indoors or outdoors on smooth, flat surfaces like rinks, pavements, or tracks. There are different types of roller skating, such as artistic skating, which involves tricks and routines, and roller derby, which is a contact sport. Roller skating requires balance, coordination, and control, as skaters must maneuver, stop, and change direction while maintaining stability. It is a popular and enjoyable activity for people of all ages.