seal是什么意思

seal

英[siːl] 美[siːl]

v. 封上，密封，覆盖表面，确定，关闭；
n. 印章，保证，密封处/物/垫，封条/蜡，海豹；

复数：seals;

第三人称单数：seals;

过去式：sealed;

过去分词：sealed;

现在分词：sealing;

同义词

seal的同义词之：
endorse mark stamp sea fasten lion shut sign lock close

反义词

seal的反义词之：
unseal

词组

my (或 his 等) lips are sealed
used to convey that one will not discuss or reveal something 无可奉告
put (或 set) the seal on
give the final authorization to 最终授权；最终认可
seal someone's (或 something's) fate
irrevocably determine or cause a bad or unpleasant outcome for someone (or something) 注定命运（常指产生不幸或不愉快的结局）
set (或 put) one's seal to (或 on)
mark with one's distinctive character 给…盖印；打上显明的烙印
seal off
To close tightly or surround with a barricade or cordon 封锁：用路障或封锁线使关得严实或包围

柯林斯高阶英汉双解学习词典释义

VERB

封住，粘住(信封)

When you seal an envelope, you close it by folding part of it over and sticking it down, so that it cannot be opened without being torn.
例句
He sealed the envelope and put on a stamp... 他封住信封并贴上一张邮票。 Write your letter and seal it in a blank envelope... 信写好后把它装进空白信封里封好。
VERB

封住(容器、开口);把…密封(进容器)

If you seal a container or an opening, you cover it with something in order to prevent air, liquid, or other material getting in or out. If you seal something in a container, you put it inside and then close the container tightly.
例句
She merely filled the containers, sealed them with a cork, and pasted on labels... 她只是装满容器，用软木塞封住，然后贴上标签。 A woman picks them up and seals them in plastic bags. 一个女人把它们捡起来放入几只密封的塑料袋中。
N-COUNT

密封处

The seal on a container or opening is the part where it has been sealed.
例句
When assembling the pie, wet the edges where the two crusts join, to form a seal. 在包馅饼时，先把两片馅饼皮边沿接头部分弄湿，再将其捏合。
N-COUNT

密封装置;密封物

A seal is a device or a piece of material, for example in a machine, which closes an opening tightly so that air, liquid, or other substances cannot get in or out.
例句
Check seals on fridges and freezers regularly. 定期检查冰箱和冷冻柜的密封装置。
N-COUNT

封条;封蜡;封铅;火漆

A seal is something such as a piece of sticky paper or wax that is fixed to a container or door and must be broken before the container or door can be opened.
例句
The seal on the box broke when it fell from its hiding-place... 盒子从隐藏处掉落时，封口裂开了。 Protestors banged on the sides of the lorry and broke customs seals on the doors. 抗议者们猛砸卡车的侧面，并且撕掉了车门上的海关封条。
N-COUNT

印章;图章;玺;印记

A seal is a special mark or design, for example on a document, representing someone or something. It may be used to show that something is genuine or officially approved.
例句
...a supply of note paper bearing the Presidential seal... 一批盖有总统印章的便条纸 The best wines are entitled to a numbered seal of quality. 上等葡萄酒可以盖上带编号的优质产品印章。
VERB

封闭;封锁

If someone in authority seals an area, they stop people entering or passing through it, for example by placing barriers in the way.
例句
The soldiers were deployed to help paramilitary police seal the border... 部署士兵协助准军事警察封锁边境。 A wide area round the two-storey building is sealed to all traffic except the emergency services. 那个两层建筑周围的大片区域被封锁，只有提供应急服务的车辆可以通行。
VERB

使成定局;确定

To seal something means to make it definite or confirm how it is going to be.
例句
McLaren are close to sealing a deal with Renault... 麦克拉伦即将与雷诺达成一笔交易。 A General Election will be held which will seal his destiny one way or the other... 一场决定他命运的大选即将举行。
PHRASE

使确定下来;使成定局

If something sets or puts the seal on something, it makes it definite or confirms how it is going to be.
例句
Such a visit may set the seal on a new relationship between the two governments... 这样的一次访问可能会使两国政府间确立新关系。 They see this election as a chance to put the final seal on the defeat of communism. 他们把这次选举看作是彻底击败共产主义的一次机会。
PHRASE

盖上印信的;不能拆开看的;保密的

If a document is under seal, it is in a sealed envelope and cannot be looked at, for example because it is private.
例句
Because the transcript is still under seal, I am precluded by law from discussing the evidence. 副本仍未公开，按照法律规定我不能讨论这项证据。

英汉词典释义

n.
海豹；海豹皮；海豹皮革；海豹皮毛(或裘衣)；海豹皮制品；人造海豹皮；海豹皮色，深褐色
They saw many seals off the Coast of Alaska. 他们在阿拉斯加海岸外看见很多海豹。
印章, 印鉴, 图章
The letter bears the seal of the king. 这封信有国王的封印。
(火漆)封印；封蜡；封铅；封条
I've bought a seal to put around the edge of the bath. 我买了一种密封胶涂在浴缸边缘上。
表示确认的事物；保证；信物
密封垫（或带等）
封蜡模（印）；封铅模（印）
标志；象征，征兆
批准；准许
[美国英语]印花；【集邮】纪念邮戳
[美国俚语、贬义]黑人；黑人妇女
vt.
盖章于；盖戳；在…上加盖检验封印
All goods were sealed. 所有货物都加盖了检验合格封印。
密封
She sealed the letter. 她把信封上了。
决定
The arrival of reinforcements sealed our victory. 增援部队的到来决定了我们的胜利。
确定；明确定下来；使成定局
（警察、军队等）关闭；封闭；封锁
封上（信封）
封盖…的表面
批准；(加印)表示赦免
The motion was sealed by the parliament. 该项协议获得了国会的批准。

英英词典释义

Noun
1. fastener consisting of a resinous composition that is plastic when warm; used for sealing documents and parcels and letters
2. a device incised to make an impression; used to secure a closing or to authenticate documents
3. the pelt or fur (especially the underfur) of a seal;
"a coat of seal"
4. a stamp affixed to a document (as to attest to its authenticity or to seal it);
"the warrant bore the sheriff's seal"
5. an indication of approved or superior status
6. a finishing coat applied to exclude moisture
7. fastener that provides a tight and perfect closure
8. any of numerous marine mammals that come on shore to breed; chiefly of cold regions
Verb
1. close with or as if with a seal;
"She sealed the letter with hot wax"
2. make tight; secure against leakage;
"seal the windows"
3. decide irrevocably;
"sealing dooms"
4. affix a seal to;
"seal the letter"
5. cover with varnish
6. hunt seals

行业词典

体育：密封；盖印；海豹皮；
医学：封蜡：实施坚固闭合的原料；熔封，封闭；密封剂：牙科中一种通常在口腔中变硬的物质，常为塑料制品，用于牙髓病治疗期间密封牙冠孔。另见sealant；
法律：署押；印章；图章；
航天：密封件；
航空：密封装置；防止容腔内的气体或液体向外泄漏的组件。；
铁道：墙顶封口；又称 :墙顶封口(seal at the top of wall)；

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