seal

US /siːl/
UK /siːl/
"seal" picture
1.

密封, 封条

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

:
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The broken seal caused the leak.
破损的密封导致了泄漏。
•
Make sure the seal on the container is tight.
确保容器上的密封是紧密的。
:
gasketclosurefastenerplugstopper
2.

印章, 封印

a piece of wax, lead, or other material with an individual design stamped into it, attached to a document as a mark of authenticity or used to close a letter or package

:
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The king's letter bore his royal seal.
国王的信件带有他的皇家印章。
•
The document was authenticated with an official seal.
该文件已通过官方印章认证。
:
stampimprintmarkembleminsignia
3.

海豹, 海狗

a carnivorous marine mammal with flippers, a streamlined body, and a layer of blubber, able to live on land and in water

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We saw a seal basking on the rocks.
我们看到一只海豹在岩石上晒太阳。
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Seals are excellent swimmers.
海豹是优秀的游泳者。
1.

密封, 封口

fasten or close securely, so that air, liquid, or other contents cannot enter or escape

:
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Please seal the envelope before mailing it.
请在邮寄前密封信封。
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The jar was perfectly sealed to keep the contents fresh.
罐子被完美密封以保持内容物新鲜。
:
closefastensecureshutcork
2.

确认, 批准

formally certify or approve (something)

:
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The deal was sealed with a handshake.
这笔交易以握手方式敲定。
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Their fate was sealed when the enemy attacked.
当敌人进攻时，他们的命运就注定了。
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confirmfinalizeratifyapproveauthenticate
:
elephant sealsigned and sealedseal someone's fatemy lips are sealed