lifeguard(名词):救生员;在海滩、游泳池等水域负责监控安全、预防溺水并实施救援的人。(也可作动词较少见:担任救生员。)
/ˈlaɪfˌɡɑːrd/
The lifeguard blew the whistle and told everyone to leave the water.
救生员吹响哨子,叫大家离开水里。
After the child slipped under the waves, the lifeguard dove in without hesitation and pulled him to shore.
孩子被浪卷到水下后,救生员毫不犹豫地跳入水中,把他拖回岸边。
由 life(生命)+ guard(守护、看守) 组合而成,字面意思是“守护生命的人”。该词常用于公共游泳场所的职业称呼,强调预防与救援两层职责。