preserver

美 [prɪ'zɜ:və(r)]
英 [prɪ'zɜ:və(r)]
  • n.保护人;维护者;保存者;木材防腐剂
  • 网络保护者;储藏柜;维持者
复数:preservers  
Preserver
n.
1.
[c]
保护人;维护者;保存者a person who makes sure that a particular situation does not change
The police are the preservers of law and order.
警察负责维持治安。
2.
[c][u]
木材防腐剂a substance used to prevent wood from decaying

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