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sealer ['si:lə]    添加到生词本 复制网址
基本释义
  • n. 盖章人
    密封层, 密封器表面保护层
英英解释

  • 　2个名词解释

    1. a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface)
      [同] sealant, sealer
    2. an official who affixes a seal to a document