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pre server的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
名詞 preserver:
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a skilled worker who is employed to restore or refinish buildings or antique furniture
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a cook who preserves fruits or meat
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someone who keeps safe from harm or danger
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rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning
