seal单词什么意思_seal单词解释 seal的反义词seal的例句

名词密封; 印章; 海豹; 封条

动词密封; 盖章; 决定; 封上（信封）

动词lockshutfastenmarkstampcloseendorsesign

名词stampsea lion

及物动词unseal

3. 七彩网·英语单词大全

1. 密封：K2, K3, K4- 对於桶槽内的气体不宜直接排放到大气层,或以 N2 密封 (Seal) 桶槽而要回收 N2,或将 N2 吸入桶槽内时,即需要装置有孔凸缘 (Vent Flange).

2. 封：上面的 manifest 文件定义了要发布的 Java 包的名称,并规定 JAR 文件应该 密封(seal)起来. 将一个文件密封起来可以确保com.newInstance.site.tags包中的所有类都 必须存在于同一个 JAR 文件中. 自然地,这样可以防止用户创建他自己的类,

3. 封口：国内外情况简要说明: FFS袋用薄膜产品,因其能够实现连续一次自动成型(Form)、开口充料(Fill)、加热封口(Seal)等多道工序和作业过程,在欧美等发达国家被广泛应用,主要应用于石化企业合成树脂的自动、快速包装.

4. seal：simple and efficient adaptation layer; 简单有效适配层

5. seal：simple efficient atm layer; 简单高效的

6. seal：simple efficient adaptation layer; 简单有效的适配层

密封（CLOSING）

1. 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.

e.g. He sealed the envelope and put on a stamp...
他封住信封并贴上一张邮票。
e.g. 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。

2. 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.

e.g. 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。
e.g. 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。

3. 密封处
The seal on a container or opening is the part where it has been sealed.

e.g. 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。

4. 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.

e.g. Check seals on fridges and freezers regularly.
定期检查冰箱和冷冻柜的密封装置。

5. 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.

e.g. 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。
e.g. 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。

6. 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.

e.g. ...a supply of note paper bearing the Presidential seal...
一批盖有总统印章的便条纸
e.g. 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。

7. 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.

e.g. 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。
e.g. 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。

8. 使成定局;确定
To seal something means to make it definite or confirm how it is going to be.

e.g. McLaren are close to sealing a deal with Renault...
麦克拉伦即将与雷诺达成一笔交易。
e.g. 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。

9. 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.

e.g. 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。
e.g. 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。

10. 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.

e.g. 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。

11. seal of approval - see approval
to seal someone's fate - see fate
my lips are sealed - see lip
signed and sealed - see sign

相关词组：seal inseal offseal up

noun

1. any of numerous marine mammals that come on shore to breed
chiefly of cold regions

2. a device incised to make an impression
used to secure a closing or to authenticate documents

Synonym: stamp

3. fastener that provides a tight and perfect closure

4. a finishing coat applied to exclude moisture

5. fastener consisting of a resinous composition that is plastic when warm
used for sealing documents and parcels and letters

Synonym: sealing wax

6. an indication of approved or superior status

Synonym: cachetseal of approval

7. a stamp affixed to a document (as to attest to its authenticity or to seal it)

e.g. the warrant bore the sheriff's seal

8. the pelt or fur (especially the underfur) of a seal

e.g. a coat of seal

Synonym: sealskin