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高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021

seal

verb
 
/siːl/
/siːl/
Verb Forms
present simple I / you / we / they seal
/siːl/
/siːl/
he / she / it seals
/siːlz/
/siːlz/
past simple sealed
/siːld/
/siːld/
past participle sealed
/siːld/
/siːld/
-ing form sealing
/ˈsiːlɪŋ/
/ˈsiːlɪŋ/
Idioms Phrasal Verbs
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    close envelope封上信封

  1.  
    seal something (up/down) to close an envelope, etc. by sticking the edges of the opening together封上（信封）
    • Make sure you've signed the cheque before sealing the envelope.一定要在支票上签了名再封信封。
    • a sealed bid (= one that is kept in a sealed envelope and therefore remains secret until all other bids have been received)密封（投）标
    2.

    close container密封容器

  2.  
    [often passive] to close a container tightly or fill a small opening, etc., especially so that air, liquid, etc. cannot get in or out密封（容器）
    • seal something (with something) He sealed the bag tightly with sticky tape.他用胶带将袋子牢牢地封住了。
    • be sealed (up) (with something) The windows and doors had been sealed up with bricks.门窗已经用砖块封严了。
    • The organs are kept in sealed plastic bags.这些器官保存在密封塑料袋里。
    Extra Examples
    • The containers must be carefully sealed so that no air can get in.这些容器必须仔细封好，不能让空气进去。
    • The whole unit is sealed to prevent dust getting in.整个单元被密封以防止灰尘进入。
    • The unit is completely sealed.这个装置处于完全密封状态。
    • a hermetically sealed container密封的容器
    Oxford Collocations Dictionaryadverb
    • carefully
    • properly
    • tightly
    • …
    preposition
    • from
    • with
    See full entry
    3.

    make something definite确定

  3.  
    seal something to make something definite, so that it cannot be changed or argued about确定；明确定下来；使成定局
    • to seal a contract订立合同
    • They drank a glass of wine to seal their new friendship.他们干了一杯，交成朋友。
    • The discovery of new evidence sealed his fate (= nothing could prevent what was going to happen to him).新发现的证据决定了他的命运。
    • She sealed victory with a birdie at the final hole.她在最后一个洞用小鸟记下了胜利。
    Topics Discussion and agreementc1

    4. cover surface覆盖表面

  4. [often passive] seal something (with something) to cover the surface of something with a substance in order to protect it封盖…的表面
    • The floors had been stripped and sealed with varnish.地板已清理干净，涂上了清漆。
    5.

    close borders/exits关闭边界／出口

  5. seal something (of the police, army, etc.警察、军队等) to prevent people from passing through a place关闭；封闭；封锁
    • Troops have sealed the borders between the countries.军队已关闭了两国边界。
    Oxford Collocations Dictionaryadverb
    • carefully
    • properly
    • tightly
    • …
    preposition
    • from
    • with
    See full entry
    6. Word Originverb Middle English (in senses (2), (5) and (6)): from Old French seel (noun), seeler (verb), from Latin sigillum ‘small picture’, diminutive of signum ‘a sign’.
Idioms
my lips are sealed
  1. used to say that you will not repeat somebody’s secret to other people（表示不会说出某人的秘密）我把嘴封住，我绝口不提
signed and sealed | signed, sealed and delivered
  1. definite, because all the legal documents have been signed签名盖章完毕的；铁定的；成定局的
    • The contracts are already signed and sealed.那些合同已经生效了。
    More Like This Alliteration in idiomsAlliteration in idioms

seal

noun
 
/siːl/
/siːl/
Idioms
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    official mark印章

  1.  
    [countable] an official design or mark, stamped on a document to show that it is real and carries the authority of a particular person or organization印章；图章；玺；印记
    • The letter bore the president's seal.信上盖有总统的印章。
    Oxford Collocations Dictionaryadjective
    • wax
    • presidential
    • privy
    • …
    verb + seal
    • break
    phrases
    • a/​the somebody’s seal of approval
    See full entry
    2.

    making something definite确认

  2.  
    [singular] a thing that makes something definite表示确认的事物；保证；信物
    • The project has been given the government's seal of approval (= official approval).项目已由政府正式批准。
    • I looked upon the gift as a seal on our friendship.我把你的礼物看作我们之间友谊的见证。
    Oxford Collocations Dictionaryadjective
    • wax
    • presidential
    • privy
    • …
    verb + seal
    • break
    phrases
    • a/​the somebody’s seal of approval
    See full entry
    3.

    on containers容器

  3.  
    [countable] a substance, piece of material, etc. used to fill a small opening so that air, liquid, etc. cannot get in or out密封垫（或带等）
    • a jar with a rubber seal in the lid盖子上有密封垫的广口瓶
    • Only drink bottled water and check the seal isn't broken.只喝瓶装水，并且要确保封口没有破损。
    4.

    on letters/boxes信件；盒子

  4.  
    [countable] a piece of wax (= a soft substance produced by bees), soft metal or paper that is placed across the opening of something such as a letter or box and which has to be broken before the letter or box can be opened封蜡；封铅；封条；火漆
    • He broke the wax seal and unrolled the paper.他揭去封蜡，把纸卷展开。
    • an official-looking letter with a wax seal带有蜡封、看上去正式的信件
  5. [countable] a piece of metal, a ring, etc. with a design on it, used for stamping a wax or metal seal
    6. 封蜡模（印）；封铅模（印）

    sea animal海洋动物

  6. [countable] a sea animal that eats fish and lives around coasts. There are many types of seal, some of which are hunted for their fur.海豹
    • a colony of seals一群海豹
    • grey seals basking on the rocks在岩石上晒太阳的灰海豹
    • The annual seal hunt takes place on the pack ice off Greenland.每年一次的海豹捕猎活动是在格陵兰岛附近的浮冰上进行的。
    see also elephant seal, harp seal
    Extra Examples
    • Environmentalists claim there is no reason to cull seals.环保主义者称没有理由对海豹进行选择性捕杀。
    • The ad criticized hunters for clubbing baby seals.这则广告谴责用棍棒击杀小海豹的捕猎者。
    Topics Animalsb2
    Oxford Collocations Dictionaryadjective
    • baby
    verb + seal
    • hunt
    • club
    • cull
    • …
    seal + verb
    • bask
    seal + noun
    • pup
    • colony
    • cull
    • …
    See full entry
    7. Word Originnoun senses 1 to 5 Middle English: from Old French seel (noun), seeler (verb), from Latin sigillum ‘small picture’, diminutive of signum ‘a sign’. noun sense 6 Old English seolh, of Germanic origin.
Idioms
set the seal on something
  1. (formal) to make something definite or complete使某事万无一失；使某事圆满
    • Her election to the premiership set the seal on a remarkable political career.当选总理使她的政治生涯灿烂辉煌。
under seal
  1. (formal) (of a document文件) in a sealed envelope that cannot be opened before a particular time密封；加盖印信
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
sealsealD.J.:[si:l]K.K.:[sil]n.1.■海豹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。2.■印章, 印鉴, 图章The letter bears the seal of the king.这封信有国王的封印。3.■封条, 封蜡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。vt.1.■盖章于2.■密封She sealed the letter.她把信封上了。3.■决定The arrival of reinforcements sealed our victory.增援部队的到来决定了我们的胜利。
SEALSEALabbr.1.■Sea, Air, and Land 海, 空, 陆
SEALSEALabbr.1.■Sea,Air,and Land 海,空,陆
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
seal noun | verb
 1 
seal / sil ; si:l /noun C
1. a large sea animal that eats fish and lives around coasts海豹
⇒picture atFOOD CHAIN
2.
a. a mark that has a special design and shows the legal or official authority of a person or organization印记，图记:
•The document carried the seal of the governor's office.文件上盖有州长办公室的图章。
b. the object that is used to make this mark印章，图章
3. a piece of rubber or plastic that keeps air, water, dirt etc out of something〔防止空气、水、灰尘等渗入的〕密封条，密封纸:
airtight / watertight seal
•an airtight seal around the windows窗户四周的密封条
4. a piece of WAX , paper, wire etc that you have to break in order to open a container, document etc封蜡，封条，火漆
5. seal of approval if you give something your seal of approval, you say that you approve of it, especially officially正式认可，正式批准:
•A number of employers have already given their seal of approval to the scheme.一些雇主已经对这项计划表示认可。
6. set the seal on sth BrEto make something definite or complete确定某事，使某事成定局:
•In 1972, Nixon himself went to China to set the seal on the new relationship.1972 年尼克松亲自访华以确立新的外交关系。
 2 
sealverb T
1. also seal up to close an entrance or a container with something that stops air, water etc from coming in or out of it〔为防止空气、水等渗入或渗出〕把…封住，封闭:
•The window was sealed shut.这扇窗户被封了起来。
seal a joint / crack / opening / gap
•A quick way to seal awkward gaps is to use a foam filler.封闭难弄的裂缝的快捷办法就是用泡沫填充剂。
•Dried milk is kept in hermetically sealed (=very tightly closed) containers.奶粉储藏在完全密封的容器里。
2. if a building, area, or country is sealed, no one can enter or leave it封闭，封锁〔建筑物、地区、国家〕:
•Authorities plan to seal the border.当局计划要封锁边境。
3. to close an envelope, package etc by using something sticky to hold its edges in place粘住，封住〔信封、包裹等〕:
•He wrote the address and sealed the envelope.他写好地址，封上信封。
4. to cover the surface of something with something that will protect it封盖…的表面:
•Wooden decks should be sealed to prevent cracking.木板平台应该刷防护漆防止开裂。
5. seal sb's fate to make something, especially something bad, sure to happen决定某人的命运〔尤指厄运〕:
•The outbreak of war sealed the government's fate.战争的爆发决定了政府的命运。
6. seal a deal / bargain / pact etc to make an agreement more formal or definite达成协议/交易/协定等
7. seal a victory / win / match to make a victory certain锁定胜局:
•Smith's goal sealed the victory.史密斯的入球锁定了胜局。
⇒my lips are sealedmy lips are sealed at LIP(5)
⇒all signed and sealed at SIGN² (6)
 PHRASAL VERBS 
seal sth ↔ in
to stop something that is inside something else from getting out密藏〔某物〕，将〔某物〕封住:
•Fry the meat quickly to seal in the juices.把肉快煎一下锁住肉汁。
seal sth ↔ off
to stop people from entering an area or building, because it is dangerous〔因有危险而〕封闭，封锁〔某地区或某幢建筑〕:
•Following a bomb warning, police have sealed off the whole area.接到有炸弹的警告后，警方封锁了整个地区。
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021

seal
1 seal /ˈsiːl/ verb
seals; sealed; sealing
1 seal
/ˈsiːl/
verb
seals; sealed; sealing
Learner's definition of SEAL
1 
a  [+ object] : to close (something) tightly so that air, liquid, etc., cannot get in or out密封
— often + up
b  [+ object] : to close (an envelope, bag, etc.) by sticking or pressing two of its parts together封上（信封）；系上（袋口）
c  [no object] : to become closed tightly密闭；关紧
2 
[+ object] : to cover the surface of (something) with a substance that will protect it给…涂上保护层
3 
[+ object] : to make (something) definite and final确定；锁定；使成定局
4 
[+ object] : to prevent someone from going into or through (an area or place)封锁；封闭；关闭

my lips are sealed

— see lip

seal in

[phrasal verb]
seal (something) in or seal in (something)
: to prevent (something that is in something else) from getting out or escaping把…封闭在内

seal off

[phrasal verb]
seal off (something) or seal (something) off
: to prevent people from entering or leaving (an area or place)封锁

— sealed

adjective
2 seal /ˈsiːl/ noun
plural seals
2 seal
/ˈsiːl/
noun
plural seals
Learner's definition of SEAL
[count]
1 
a  : an official mark that is stamped on paper or on a small piece of wax to show that something (such as a document) is genuine and has been officially approved印章；图章
b  : a small piece of stamped wax or a small sticker that is put on a letter or envelope to keep it closed or to show that it has not been opened封蜡；封条
2 
: a device with a raised design that can be pressed into something (such as paper or wax) to make a seal封蜡模（印）
3 
a  : a piece of material (such as rubber) that is used on the lid of a container to keep air, water, etc., out of the container or to show the container has not been opened密封垫；密封圈
b  : the state of being closed tightly so that no air, water, etc., can pass through密封；密闭

seal of approval

: an action or statement that shows approval or official acceptance批准；接受

set the seal on

British, formal
: to make (something) final or definite确定；锁定；使成定局

under seal

law, formal
: having an official seal that prevents the public from seeing or reading it密封；加盖印信
— compare 3seal
3 seal /ˈsiːl/ noun
plural seals
3 seal
/ˈsiːl/
noun
plural seals
Learner's definition of SEAL
1 
[count] : a large animal that lives in the sea near coasts, has flippers, and eats fish海豹
2 
[noncount] : the skin of a seal usually used for fur海豹皮
— compare 2seal

SEAL
SEAL /ˈsiːl/ noun
plural SEALs
SEAL
/ˈsiːl/
noun
plural SEALs
Learner's definition of SEAL
[count] US
: a soldier in the U.S. Navy who has special training and belongs to a small group that performs dangerous missions（美国海军）海豹特种部队士兵
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4259 COCA: 4021

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