n.跳高运动员，跳跃者；无袖套衫，针织套衫；[电]跳线，跨接线；经过训练能跳越障碍的马 变形： 复数：jumpers 英英释义： jumper[ 'dʒʌmpə ]n.a person who jumps"as the jumper neared the ground he lost control"; "the jumper's parachute opened"an athlete who competes at jumping"he is one hell of a jumper"a coveral