conservators
n.
保护者，（博物馆的）管理员，（公共福利的）监督官( conservator的名词复数 );
例句:
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Contact This activity is organised and run by Malvern Hills Conservators.
来自BBC
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In the final stage, conservators waxed and polished the surface.
来自THETIMES
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Please contact the Malvern Hills Conservators to book a place so that we can notify you by phone if the event is cancelled.
来自BBC