the sport of flying through the air wearing a piece of equipment consisting of a motor connected to a parachute (= a large piece of cloth that is attached to the person with strings)

According to the United States Powered Paragliding Association, powered paragliding is probably the safest form of private aviation there is. 美国动力滑翔运动协会声称，动力滑翔运动可能是现有的私人航空飞行中最安全的形式。