n.无袖套衫( jumper的名词复数 )；针织套衫；跳跃者；跳跃的马 英英释义： jumpern.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 coverall worn by childrena small connecto