seal

seal¹
noun

a device or substance that is used to join two things together so as to prevent them coming apart or to prevent anything passing between them
封条，密封装置
attach a draught seal to the door itself.
给门装上防风密封垫（条）。
■[insing.]the state or fact of being joined or rendered impervious by such a substance or device
密封，密封状态
many fittings have tapered threads for a better seal.
为了更好地密封许多装置都用了锥形线。
■the water standing in the trap of a drain to prevent foul air from rising, considered in terms of its depth
水止，水封（根据排污管道深度U形管中防止臭气上升的存水）
a piece of wax, lead, or other material with an individual design stamped into it, attached to a document to show that it has come from the person who claims to have issued it
封蜡；封铅；封缄
■a design embossed in paper for this purpose
印章，图章
■an engraved device used for stamping a design that authenticates a document
（证明文件效力的）公章
■(figurative)a thing regarded as a confirmation or guarantee of something
(喻)批准，确认
the monarchy is the seal of the unbroached integrity of the Isles.
君主制是该群岛无可争辩的完整性的保证。
■a decorative adhesive stamp
装饰性的背面涂胶水的邮票（印花）
■(the seal)(亦作the seal of confession 或 the seal of the confessional)the obligation on a priest not divulge anything said during confession
（天主教）告解保密（指神父有不得泄漏告解者的忏悔内容的义务）
I was told under the seal.
我是在神父的告解保密下被告知的。

verb
[with obj.]

fasten or close securely
系紧；封牢
he folded it, sealed the envelope, and walked to the postbox.
他折好信，封上信封，向邮筒走去。
■(seal something in)prevent something from escaping by closing a container or opening
把…封闭在内
■(seal something off)isolate an area by preventing or monitoring entrance to and exit from it
封锁
anti-terrorist squad officers sealed off the area to search for possible bombs.
反恐小组军官为搜寻可能存在的炸弹封锁了该地区。
■apply a non-porous coating to (a surface) to make it impervious
在（表面）加一层不渗透的涂料层使不透水
the pine boarding should be sealed with polyurethane.
松板应该涂上聚安酯防水。
■fry (food) briefly in hot fat to prevent it losing too much of its moisture during subsequent cooking
（为避免烹调时失去过多水分，将食物放在热油中）快速煎炸
heat the oil and seal the lamb on both sides.
把油加热，并把羊肉两面都炸一下。
■fix a piece of wax or lead stamped with a design to (a document) to authenticate it
（给文件）加封；盖印
■conclude, establish, or secure (something) definitively, excluding the possibility of reversal or loss
达成；确立；保证
to seal the deal he offered Thornton a place on the board of the nascent company.
为达成交易他在新成立公司的董事会里给桑顿安排了一个职位。

常用词组
my (或 his 等) lips are sealed

used to convey that one will not discuss or reveal something
无可奉告

put (或 set) the seal on

give the final authorization to
最终授权；最终认可
the UN envoy hopes to set the seal on a lasting peace.
联合国特使希望持久和平能确定下来。
■provide or constitute the final confirmatory or conclusive factor
提供（构成）最终证实（或决定）要素
the rain set the seal on his depression.
这场雨终于使他消沉起来。

seal someone's (或 something's) fate

irrevocably determine or cause a bad or unpleasant outcome for someone (or something)
注定命运（常指产生不幸或不愉快的结局）

set (或 put) one's seal to (或 on)

mark with one's distinctive character
给…盖印；打上显明的烙印
it was the Stewart dynasty which most markedly set its seal on the place.
正是斯图亚特王朝在这个地方标上了它显明的印记。

派生
sealable
adjective
语源

Middle English (in sense 2): from Old French seel (noun), seeler (verb), from Latin sigillum 'small picture', diminutive of signum 'a sign'

seal²
noun

a fish-eating aquatic mammal with a streamlined body and feet developed as flippers, returning to land to breed or rest
海豹
Families Phocidae (the true seals) and Otariidae (the eared seals, including the fur seals and sea lions). The latter have external ear flaps and are able to sit upright, and the males are much larger than the females
海豹科（真海豹）、海狗科（包括海狗与海狮）。后者有大耳廓，能坐起，雄性比雌性大许多
■another term for sealskin
同 sealskin

verb

[no obj.][usu. as noun sealing]hunt for seals
猎捕海豹

语源

Old English seolh, of Germanic origin

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