音标:[si:l] ; 柯林斯词典等级:1 级; 牛津三千核心词汇;
n. 印章, 封条, 海豹, 海豹皮, 火漆, 封蜡, 玺, 保证, 批准, 象征, 标志
vt. 封闭, 盖印, 盖章
vi. 猎海豹
n. a device incised to make an impression; used to secure a closing or to authenticate documents
n. the pelt or fur (especially the underfur) of a seal
n. a stamp affixed to a document (as to attest to its authenticity or to seal it)
n. a finishing coat applied to exclude moisture
词型变化:名词复数形式 : seals ; 过去分词 : sealed ; 过去式 : sealed ; 现在分词 : sealing ; 第三人称单数 : seals
考试类型:[高考/四级/六级/考研/托福/IELTS]
词性分布:
名词50%
动词50%

seal的用法和样例:

例句

用作名词(n.)
  1. The seal on this bottle is broken.这个瓶上的密封纸破开了。
  2. This document carries the royal seal.这份文件上盖有王室印章。
用作名词(n.)
  1. The first time I saw a seal was in an aquarium.我第一次看见海豹是在水族馆里。
用作动词(v.)
  1. The envelope was firmly sealed.这个信封封得很严实。
  2. You must seal up the envelope before mailing the letter.你在寄信前必须先将信封密封。
  3. They signed and sealed the treaty.他们在条约上签名盖章。
  4. The newlywed royal couple sealed their marriage on Friday with an iconic appearance on the balcony of Buckingham Palace before an ecstatic crowd of thousands of well-wishers.周五,这对新婚的皇室夫妇在白金汉宫的阳台上,在数千前来祝福的欣喜若狂的民众前,以标志性的露面明确了他们的婚姻。

常见句型

用作名词(n.)
  1. 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. The letter bears the seal of the king.这封信有国王的封印。
  3. 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。
用作动词(v.)
用作及物动词S+~+ n./pron.
  1. She sealed the letter.她把信封上了。
  2. We sealed our agreement with a handshake.我们最后以握手表示达成了协议。
  3. The arrival of reinforcements sealed our victory.增援部队的到来决定了我们的胜利。
  4. 1
  5. The medicine was sealed in small capsules.这种药密封在小胶囊里。
  6. Her lips were sealed by a promise.她的嘴被她的诺言封住了。
  7. The envelope was firmly sealed.这信封封得很牢。
  8. His doom is sealed.他的劫数已定。
  9. The agreement has been signed and sealed.协定已经签字盖章。
  10. The bargain was sealed.买卖成交了。

常用短语

用作名词(n.)
seal of approval
    正式认可formal approval
set the seal on
    使成定局,使确定下来,认可bring to an end in a suitable way; formally end
用作动词(v.)
seal off (v.+adv.)
    封闭 close tightly so as not to allow entrance or escapeseal sth ⇔ off

    The police have sealed off the area where the murdered girl was found.

    警察已把发现被害女孩的那一地区封锁起来了。

seal up (v.+adv.)
    把…封起来 close tightlyseal sth ⇔ up

    They sealed up the cracks in the window to stop the icy wind from blowing in.

    他们把窗户的缝隙糊起来,不让寒风吹进室内。

词汇搭配

用作名词 (n.)
动词+~
  • affix〔stamp〕 a seal盖章
  • break〔take off〕 a seal启封
  • engrave a seal刻图章
  • pass the seal盖有图章
  • put the seal on在…封口处打上封印
  • set seal to the paper在文件上盖章
  • set the seal on结束某事
形容词+~
  • female〔male, young〕 seal母〔公,小〕海豹
介词+~
  • a colony of seals一群海豹
  • under seal盖有印鉴(的)
  • under seal of secrecy约定保守秘密
  • with sb's seal经某人盖章的
~+介词
  • seal of approval批准的盖章
  • seal of friendship友谊的象征
用作动词 (v.)
~+名词
  • seal the area shut封锁这一地区
  • seal bargain确认交易
  • seal a parcel封好包裹
~+副词
  • seal authoritatively权威地最后确定
  • seal automatically自动密封
  • seal effectively有效地密封
  • seal firmly牢牢地封住
  • seal hermetically密封住
  • seal immediately马上确定
  • seal impartially公正地确定
  • seal legally合法盖章于…上
  • seal nominally名义上密封
  • seal officially正式密封
  • seal in把某物密封起来不使其外泄
  • seal the flavour in保存味道
  • seal off the area封锁了这一地区
  • seal off from the outside world与外界隔绝
  • seal up the cracks in the window把窗子的缺口堵死
  • seal up the documents for safekeeping把这些文件封存起来
~+介词
  • seal by〔with〕用…封住
  • seal to book(两眼)盯着书本,专心看书

经典引文

  • Depended..on this valve maintaining a perfectly air-tight seal.

    出自:L. T. C. Rolt
  • The space..is filled by some form of weather-proof seal.

    出自:J. S. Foster
  • The Treaty..which sealed Russia's withdrawal from the war.

    出自:G. F. Kennan
  • The little drink seemed to seal their easy companionship.

    出自:M. Keane
【近义词】
【反义词】

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学英语单词
adipinketone
agreement on licensing
allegis
arrested eruption
artificially acquired immunity
Bergenhem's opcration
beta titanium alloy
blue iron
book pricc index
bubble formation
Case-hardener
chat rooms
cross education
Cupedidae
depressing Qi and relieving asthma
diaphragm amplifier
doctrine of part performance
Dokali
dopant redistribution
downrush
dual liquid applicator
E. I. C.
echiodon coheni
emission type tube tester
endocrinous
enumeration algorithm
field engine
fiendish
firegrate
flew out
full-faces
gallons per hour
gerbers
gigatonnes
give sb a flat refusal
government buildings
Guimanite
have meals
helical blower
heracleifolia
holographic memostorage
hydraulic riveting
hydraulically-loaded pre-stressed rolling mill
inflatable appliance
internal combustion stove
international documentary association
isobutyryl chloride
kid brothers
king's cake
konosirus punctatus
law of ocean-going trade
limestone petrography
limit of brightness
magnetic sheet handling unit
mannan
masersats
matching with simultaneous assignment
Mates Receipt
Mel'nytsya-Podil's'ka
Mevinacor
mutual precipitation
namelessnesses
nonrugged
ondulateur
oscillating lapping machine
palpebral lithiasis
peckings
played it cool
polymeric material
power frequency earthing resistance
propeller guard
prospective activities
Prunus cerasus
psychological system
rate of manure
remote recording seismograph
ride someone on a rail
riedesel
salmon-colored
screening test
sea monsoon
Shalbuzdag, Gora
shoestring trading
sine-consine condenser
Skimmia arborescens
spread of coil
stiff-flex
substantial deviation
tabled zero-sided Lindenmayer system
tatting lace
Tetrasorb
thickskull
time mark
town and country
underedge stone
user-micro programmer processors
ventriculojugulocardiac
Vincetoxicum versicolor Dcne.
who-does-what
window unit
withering degree
working dress