动 close，seal，bank，confer upon；名 envelope，package，[简]feudalism，a surname；

[例句] 这封信只不过重复了一下土地法。 The letter merely restated the law of the land.

[例句] 信封被人动过手脚，然后又用胶带封上了。 The envelope has been tampered with and then taped shut again.

blockade，block，seal off，blank，blank off ；

[例句] 这些地区被军队封锁包围了。 The areas are sealed off and ringed by troops.

[例句] 那里的士兵将封锁机场。 Soldiers there are going to seal the airport off.

seal，seal up，seal airtight，seal hermetically，airproof ；

[例句] 密封之后再浸泡4至5天。 Seal tightly then leave for four to five days to macerate.

[例句] 某些种类的食物也可以装入密封的金属罐里。 Certain types of foods are also dispensed in pressurized canisters.

the system of enfeoffment，feudalism ；

[例句] 他天生擅长交际：他的祖先曾是封建领主。 Diplomacy was in his blood: his ancestors had been feudal lords.

[例句] 许多人留恋不舍地回顾封建时代. Many people look back with nostalgia to feudal times.

[半] package，potting，encapsulation，enclosure ；

[例句] 现在封装越来越受到成品器件的销售人员以及系统的施工人员两方面的更多注意. Packaging is now receiving more attention by both packaged - device vendors and system builders.

[例句] 在每个封装壳中装有4个变换器,从而可以同许多线接口. There are four translators in each package so a number of lines may be interfaced.

closed type，enclosed，potted，closed ；

[例句] 该竞技场为四周封闭式结构,可以举行斗剑 、 格斗 、 斗兽及其他竞赛项目. The amphitheater was a sealed off round structure . Swordplay, wresting, gladiatoral and other contests were held there.

[例句] 最高楼层将以世界最高的 非 封闭式观察台为特色. The uppermost floors will feature the world's highest non - enclosed observation deck.

the title page of a thread-bound book，the front and back cover of a book，[刷]front cover，cover ；

[例句] 其图书以纸质优良、封面精美而闻名。 Its books are noted for the quality of their paper and bindings.

[例句] 书的封面上有条连接对角的黑斜线. The book has a diagonal black stripe on the cover.

envelope，envelop，mailer ；

[例句] 我想你或许想要读一下信封里的内容。 I thought you might like to read the enclosed.

[例句] 请于今日将随函附上的捐款表格用所提供的邮资预付的信封寄回。 Return the enclosed Donation Form today in the prepaid envelope provided.

seal up，close down ；

[例句] 为了保护我们的投资,我们来查封这里的资产. We're seizing assets as collateral against our investment.

[例句] 查封走私货物的行动已经被当地警方批准了. The attachment of smuggled goods has been approved by the local police.

fief，feud，manor，enfeoffment，feod ；

[例句] 她一封接一封地给他寄信解释推迟的原因. She sent him letter after letter to explain the delay.

[例句] 继承其前辈封地的人须交纳一笔“接替费”. The heir on taking up his ancestors fief had to pay a relief.

plugging ；

[例句] 对不同渗透性的砂层及岩心,均具有较好的封堵效果. It is suitable to the sand beds and cores with various permeabilities.

[例句] 封堵旅客使用的马车路是违法的. It is illegal to block any traveled wagon road.

[邮] seal，sealing stamp ；

[例句] 这封信有国王的封印. The letter bears the seal of the king.

[例句] 封印已经被破坏, 式神正在进攻城市. The seal ahs been broken, hellspawn are invading the city.

embedment ；

[例句] 经过科学严格的工艺灌封, 保证了其稳定性, 可靠性高. After rigorous scientific process potting, and ensure its stability, high reliability.

[例句] 介绍了电力电容器用浸渍灌封蜡的研制过程. The development of potting and dipping wax for power capacitor are described.

（封条） paper strip seal，（图书的封面） front cover，（包裹在物品外面的纸等） paper wrapping，（信封） envelope，wrappage ；

[例句] 这包裹的封皮扯不开. The cover of the parcel won't tear.

[例句] 我廉价买下了它,因为它的封皮坏了. I got it cheaply as its cover was torn.

encapsulate，pack，seal (package)，envelop，envelopment ；

[例句] 目的:制备异甘草素脂质体并考察其包封率及稳定性. OBJECTIVE To study the preparation of isoliquiritigenin liposome and its stability.

[例句] 结构:采用金属化聚酯薄膜卷绕而成, 单向引线, 环氧树脂包封. Structure Wound in meta 11 ized polyester film, unidirectional lead, epoxy resin coating.

entire，big envelope (for holding documents, books, etc.)，envelope，packet ；

[例句] 新唱片的封套上不会出现他的照片。 There are to be no pictures of him on the sleeve of the new record.

[例句] 他把密封那份电报的封套拆开. He opened the cover in which the message was enclosed.

dust seal，covered with dust，dust-laden ；

[例句] 许多机器尘封在地下室里。 Many of the machines are gathering dust in basements.

[例句] 那些书看上去褪了色，尘封已久。 The books looked faded, dusty and unused.

investitive，investiture ；

[例句] 他于1879年加入皇家画会,并于1899年接受封爵. He joined the Royal Academy in 1879 and was knighted in 1899.

[例句] 1953年的今天,温斯顿·丘吉尔被英国的伊丽莎白二世女王封爵. Winston Churchill is knighted by Queen Elizabeth II of the United Kingdom.

mudcap，lute，stop-off，mastic ；

[例句] 珍妮启了封泥,信果然是给她写的. Jennie broke the seal of the note, which was addressed to her.

[化] air seal，airlock，gas lock，gas seal ；

[例句] 介绍了气封系统的组成 、 功用及其组件和系统的结构设计. The composition, function and structural design he gas - tight system are introduced.