新东方-柯林斯雅思备考词典

seal

英 [siːl]

[NOUN, VERB]

词汇频率：

NOUN. 名词

seals
1. [C 可数名词] （容器、开口等）封了的部分
The seal on a container or opening is the part where it has been sealed.
双语例句
例：
When assembling the pie, wet the edges where the two crusts join, to form a seal.
捏馅饼时，弄湿两块面皮封合的边缘，再将其捏合。
2. [C 可数名词] （机器上防止气体或液体渗入或露出的）密封装置
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.
双语例句
例：
Check seals on fridges and freezers regularly.
定期检查冰箱和冰柜的密封装置。
3. [C 可数名词] （封条、封蜡等）封口物
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.
双语例句
例：
The seal on the box broke when it fell from its hiding-place.
盒子从隐藏处掉下时上面的封口破了。
4. [C 可数名词] 印章
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.
双语例句
例：
a supply of note paper bearing the presidential seal.
一批盖有总统印章的便条纸。
5. [C 可数名词] 海豹
A seal is a large animal with a rounded body and flat legs called flippers. Seals eat fish and live in and near the sea, usually in cold parts of the world.

PHRASAL VERB. 短语动词

seal off
1. [PHRASAL 短语] 封锁（某地区）（同）seal）
Seal off means the same as seal.
双语例句
例：
Police and troops sealed off the area after the attack.
警察和军队在袭击发生后封锁了该地区。
2. [PHRASAL 短语] 封闭
If one object or area is sealed off from another, there is a physical barrier between them, so that nothing can pass between them.
双语例句
例：
Windows are usually sealed off.
窗户通常是封闭着的。

VERB. 动词

seals , sealing , sealed
1. [T 及物动词] 封（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.
双语例句
例：
He sealed the envelope and put on a stamp.
他封好信封，贴了张邮票。
例：
Write your letter and seal it in a blank envelope.
把你的信写好，然后将其封入一个空信封。
2. [T 及物动词] 封（容器、开口） , 将（某物）封入（某容器中）
If you seal a container or an opening, you cover it with something in order to prevent air, liquid, or other material from getting in or out. If you seal something in a container, you put it inside and then close the container tightly.
双语例句
例：
She filled the containers, sealed them with a cork, and stuck on labels.
她装满那些容器，用塞子封了口，然后贴上了标签。
例：
A woman picks them up and seals them in plastic bags.
一位女士把它们捡起，放入几只塑料袋中密封起来。
3. [T 及物动词] 封锁（某地区）
If someone in authority seals an area, they stop people entering or passing through it, for example, by placing barriers in the way.
双语例句
例：
The soldiers were deployed to help paramilitary police seal the border.
这些士兵们被调去协助准军事警察封锁边境。
4. [T 及物动词] 确定
To seal something means to make it definite or confirm how it is going to be.
双语例句
例：
McLaren are close to sealing a deal with Renault.
麦克拉伦即将和雷诺尔特达成一笔交易。
例：
A general election will be held which will seal his destiny one way or the other.
一场将左右他命运的大选即将举行。