lifesaver是什么意思？

lifesaver

英[ˈlaɪfseɪvə(r)] 美[ˈlaɪfˌsevɚ]

• n. 救生者，水难救生员，济急的人；

复数：lifesavers;

例句

• He thought of the old man as his lifesaver. 他把老人看作他的救命恩人。
• The new drug is a potential lifesaver. 这种新药有可能成为一种救命药。
• The cervical smear test is a lifesaver. 宫颈涂片检查能够帮上大忙。

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。

英英词典释义

• Noun
  1. an attendant employed at a beach or pool to protect swimmers from accidents
  2. a life preserver in the form of a ring of buoyant material

行业词典

• 体育： 救生员；救护员；
  旅游： 救生员；