lifesaver 'laifseivә
释义
n. 救命者, 救生员, 济急的人
英文释义
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
词形变化
复数: lifesavers
BNC词频排名: 41,805 | 当代语料库词频排名: 22,409