seal
名词
定义 seal 名词
animal
- B2Countable
a large marine mammal that consumes fish and spends part of its time in the sea and part on land or ice.
covering
- Countable
a component fixed around the border of an opening that prevents the passage of liquid or gas.
Ensure the seal around your refrigerator door is cleaned regularly to maintain its airtight closure.
The seal on the faucet needs replacing to stop it from dripping.
The container’s seal is broken, so it’s no longer waterproof.
- Countable
a thin layer of material, such as paper or plastic, used to cover the opening of a container that must be broken to access the contents.
The seal was pierced when I opened the can.
This product has a broken seal, so we cannot sell it.
Each portion of food had an individual seal to ensure freshness.
mark
- Countable
an official mark, sometimes made with wax, on a document to indicate its legality or formal approval.
The notary had to affix their seal to the contract.
The government official placed an official seal on the documents.
The ancient seal is kept by a historical society.
动词
定义 seal 动词
covering
- C2Transitive
to close an entrance or container so that nothing can enter or exit.
Please ensure each box is sealed before shipment.
We sealed the windows and doors to keep the cold air out.
Please seal these envelopes using tape.
- Transitive
to apply a protective liquid coating to a surface.
They sealed the deck with a layer of waterproof sealant.
We need to seal this wood to prevent it from rotting.
The artist used an acrylic resin to seal her paintings.
- C2Transitive
to close a letter or package by adhering the edges together.
She sealed the letter and put it into the mailbox.
Please ensure the package is well sealed for safe delivery.
He sealed the envelope with glue.
mark
- Transitive
to make an agreement more secure or to officially approve it.
The treaty between the two nations was sealed with a signature.
The partnership was sealed with a handshake.
The negotiating parties sealed their agreement with a document.
成语
- seal of approval
An indication of official approval or endorsement from an authoritative figure or body.
• The research project received the seal of approval from the scientific committee.
- seal someone's fate
To determine or decide someone's fate, making it impossible to avoid an unpleasant outcome.
• His decision to jump ship to a rival company effectively sealed the fate of his career.
- set/put the seal on something
To finalize or confirm the outcome of something, making it certain and unchangeable.
• The signing of the contract set the seal on their long-term partnership.
片语动词 seal
- seal something in
to ensure a substance or property is retained within something during a process, like cooking
• To keep the meat tender, the chef seals the marinade in the pot during cooking.
- seal something off
to restrict access to a location or structure, typically due to safety concerns
• The police sealed off the accident scene to ensure that no unauthorized personnel could enter.