单词：lifesavers
(lifesaver 的复数) n. 救命者, 救生员, 济急的人
plural of lifesaver
n an attendant employed at a beach or pool to protect swimmers from accidents
n a life preserver in the form of a ring of buoyant material
n an attendant employed at a beach or pool to protect swimmers from accidents
n a life preserver in the form of a ring of buoyant material