life-preserver

基本解释

• n.救生用具

同根派生

英汉例句

• The life preserver kept him up until the boat came.
  救生衣使他保持浮在水面直到小船来救他。
• A life preserver shaped like a ring.
  救生圈圈状救生用具
• Dan: Surfboard? I need a life preserver!
  丹：冲浪板？我需要一个救生圈。
• PFD - Personal Flotation Device;a life preserver.
  Position Finding Device,位置测定位，测位仪[器];
• Every man's task is his life preserver.
  维持一个人的生命事物，就是他的事业。