资料来源 : pyDict

救命者,水难救生员,济急的人

资料来源 : WordNet®

lifesaver
     n 1: an attendant employed at a beach or pool to protect swimmers
          from accidents [syn: {lifeguard}]
     2: a life preserver in the form of a ring of buoyant material
        [syn: {life buoy}, {life belt}, {life ring}]