preserver
n. 保存人；保护者；救生用具
近义词：protector，guard，guardian，saviour，savior，parent，conserver，lifepreserver，refinisher，restorer，renovator，flotationdevice，
英英释义
Noun
- a skilled worker who is employed to restore or refinish buildings or antique furniture
- a cook who preserves fruits or meat
- someone who keeps safe from harm or danger
- rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning
例句
用作名词(n.)
- The police are the preservers of law and order.警察负责维持治安。
- The extremely arid desert climate is the best preserver of murals.极端干燥的沙漠气候是壁画的最好保存者。
- This is a life preserver.这是救生用品。
- 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。