自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
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.
He sealed the envelope and put on a stamp...
Write your letter and seal it in a blank envelope...
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.
She merely filled the containers, sealed them with a cork, and pasted on labels...
A woman picks them up and seals them in plastic bags.
N-COUNT 密封处 The seal on a container or opening is the part where it has been sealed.
When assembling the pie, wet the edges where the two crusts join, to form a seal.
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.
Check seals on fridges and freezers regularly.
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.
The seal on the box broke when it fell from its hiding-place...
Protestors banged on the sides of the lorry and broke customs seals on the doors.
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.
...a supply of note paper bearing the Presidential seal...
The best wines are entitled to a numbered seal of quality.
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.
The soldiers were deployed to help paramilitary police seal the border...
A wide area round the two-storey building is sealed to all traffic except the emergency services.
VERB 使成定局;确定 To seal something means to make it definite or confirm how it is going to be.
McLaren are close to sealing a deal with Renault...
A General Election will be held which will seal his destiny one way or the other...
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.
Such a visit may set the seal on a new relationship between the two governments...
They see this election as a chance to put the final seal on the defeat of communism.
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.
Because the transcript is still under seal, I am precluded by law from discussing the evidence.
N-COUNT 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.