n.救生者，水难救生员，济急的人( lifesaver的名词复数 )...

These tips may prove to be lifesavers.这些小建议或许能救您一命.Surf lifesavers removed the 60 centimetre shark by hosing it with fresh water.最后救生员用淡水围着60公分的鲨鱼洒水,才得己松口....

lifesavers的音标：...