glid.er
n.(名词)A light, engineless aircraft designed to glide after being towed aloft or launched from a catapult.滑翔机:一种轻而无发动机的飞机,拖到高处或由发射器发射后自行滑翔A swinging couch suspended from a vertical frame.摆动式沙发椅:悬于一垂直架上的摇摆沙发A device that aids gliding.助滑器:帮助滑行的设备