救生员
an expert swimmer employed to rescue bathers from drowning at a beach or swimming pool
示例:• The lifeguard blew his whistle to warn the swimmers.救生员吹响了哨子，警告游泳者。• She trained for months to become a certified lifeguard.她训练了几个月才成为一名合格的救生员。同义词:rescuerswimming attendantpool attendant