音标:[si:lz] ;
n. 海豹( seal的名词复数 ); 批准; (火漆)封印; 印章
v. 密封( seal的第三人称单数 ); 决定; 确定; 封上(信封)
n fastener consisting of a resinous composition that is plastic when warm; used for sealing documents and parcels and letters
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 member of a Naval Special Warfare unit who is trained for unconventional warfare
n a stamp affixed to a document (as to attest to its authenticity or to seal it)
n an indication of approved or superior status
n a finishing coat applied to exclude moisture
n fastener that provides a tight and perfect closure
n any of numerous marine mammals that come on shore to breed; chiefly of cold regions
v make tight; secure against leakage
v close with or as if with a seal
v decide irrevocably
v affix a seal to
v cover with varnish
v hunt seals

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
acetylphenylalanine
allowable load
alloy-junction
anti-vibration bar
arteriae carotis communis
axial piston rotaryplunger pump
baliles
basic flow
bowing of loading
brute force searching
Buckingham R.
Bukakke
bullauns
burnet extract
caveated
Ch. Ch.
chine area
cloaklike
cobaltplating
coil nose
colonic dialysis
confusion (of radio sources)
corriedale sheep
creating new document form
crossroadss
decompound leaf
demandside
destructive examination
direct indexation
energy conversion system
enzyme bating
essential bradycardia
fast-reactors
field security
fifth generation
filaricides
fishlings
floating head flange
frozen freight
gaughan
genus Chaenactis
genus Phalacrocorax
get into a state
Hinderman
home-movies
hyperclarity
ichthyic
insulin-treated
jetports
jump through the hoop
kick up a stink
laborista
late type stars
lower semicontinuity
microseond
midinterview
misconnecting
mosaul
muck car
Myotis velifer
Myrica rubra Sieb. et Zucc.
nastin
nonfireproof
noradrenalin
nostalgizes
oblique marks
outer terminal of a pair of arms
outstanding invoice
paraconin
population situation
protectionistic
pseudo bills
rapid firing stains
rebores
riccardia latifrons
Right boys
ring segment
sagenetosome
series-parallel fuzing system
sheevo
slight repast
soap-oil dispersion
sono-explorer
speed-governing system
star region
stepwise impulse
stretches the truth
submaximal oxygen intake
sugar tolerance
sunsetty
Tel-E-Amp
tendinous sheath of extensor digitorum and extensor indicis
the leading edge
theologizes
transverse spacewidth
u.n. fund for population
unquieting
verzy
voltage between layers
with great speed
WTSDS