Noun:

1. a skilled worker who is employed to restore or refinish buildings or antique furniture

2. a cook who preserves fruits or meat

3. someone who keeps safe from harm or danger

4. rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning

protectorn.保护人；保护物；保护装置

guardv.看守；守卫；保卫；提防n.警戒；哨兵；防护装置；警卫；【体】后卫

guardiann.保护人；监护人

saviourn.救助者；救星Saviour：救世主（耶稣基督）.=savior（美）.

saviorn.救助者；救主Savior.n.救世主耶稣=saviour.

parentn.父母；根源v.抚养；产生

conservern.蜜饯；果酱v.保存；保持；节省；用糖保存

life preservern.<美>救生工具； <英>(用以自卫的)护身棒

refinishern.整修表面；再修光

restorern.修建者；修补物

renovatorrenovate的名词形...

flotation device漂浮装置

1. The police are the preservers of law and order.
   警察负责维持治安。
2. 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。
3. This is a life preserver.
   这是救生用品。
4. 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。