lifesavers是什么意思？

lifesavers

• n. 救生者，水难救生员，济急的人( lifesaver的名词复数 )；

例句

• 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.
• These tips may prove to be lifesavers. 这些小建议或许能救您一命.

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  （常指在健康方面）帮助解除困境之物
  If you say that something is a lifesaver, you mean that it helps people in a very important way, often in a way that is important to their health.
  例句
  The cervical smear test is a lifesaver. 宫颈涂片检查能够帮上大忙。