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1. Oxford American Dictionary

   seal

   • IPA[sē(ə)l]

   美式

   • n.
     a device or substance that is used to join two things together so as to prevent them from coming apart or to prevent anything from passing between them；the state or fact of being joined or rendered impervious with a seal
   • v.
     fasten or close securely；apply a nonporous coating to (a surface) to make it impervious

   • verb: seal, 3rd person present: seals, gerund or present participle: sealing, past tense: sealed, past participle: sealed

   • noun: seal, plural noun: seals

2. • 釋義
   • 片語

   n.

   名詞

   • 1. a device or substance that is used to join two things together so as to prevent them from coming apart or to prevent anything from passing between them blue smoke from the exhaust suggests worn valve seals 同義詞 sealant, sealer, adhesive
   • ▪ the state or fact of being joined or rendered impervious with a seal many fittings have tapered threads for a better seal
   • ▪ the water standing in the trap of a drain to prevent sewer gas from backing up through the drain, considered in terms of its depth for most domestic applications, a 75 mm seal is required
   • 2. a piece of wax, lead, or other material with an individual design stamped into it, attached to a document to show that it has come from the person who claims to have issued it. 同義詞 emblem, symbol, insignia, device, badge, ... 更多crest, coat of arms, token, mark, monogram, stamp
   • ▪ a design resembling a seal embossed in paper as a guarantee of authenticity.
   • ▪ an engraved device used for stamping a design that authenticates a document.
   • ▪ a decorative adhesive stamp.
   • 3. a thing regarded as a confirmation or guarantee of something the International Monetary Fund is likely to give a seal of approval to the Mexican plan
   • 4. the obligation on a priest not to divulge anything said during confession I was told under the seal

   v.

   動詞

   • 1. fasten or close securely he folded it, sealed the envelope, and walked to the mailbox 同義詞 fasten, secure, shut, close up, lock, ... 更多bolt, board up, stop up, seal up, make airtight, make watertight, close, shut, cork, stopper, stop, plug, block, block up, bung up, clog, clog up, choke, occlude, fill
   • 2. apply a nonporous coating to (a surface) to make it impervious seal the finish with a satin varnish
   • 3. fry (food) briefly in hot fat to prevent it from losing too much of its moisture during subsequent cooking heat the oil and seal the lamb on both sides
   • 4. conclude, establish, or secure (something) definitively, excluding the possibility of reversal or loss to seal the deal he offered Thornton a place on the board of the nascent company 同義詞 clinch, secure, settle, conclude, complete, ... 更多establish, set the seal on, cap, wind up, close, informalsew up
   • 5. fix a piece of wax or lead stamped with a design to (a document) to authenticate it.

   片語

   • one's lips are sealed
   • set the seal on
   • set one's seal on
   • under seal
   • seal in
   • seal off