n. 〔sing., pl.〕【动物；动物学】 1.海豹。 2.海豹毛皮(制品)。 3.海豹皮色〔灰黄深褐色〕。 4.〔Seals〕〔美国〕海豹突击队〔美国的一支海陆空军突击队〕 the common [harbor] seal (斑纹)海豹。 短语和例子 the fur seal 腽肭兽，海狗。 vi. 猎海豹。 n. 1.(打在火漆，铅等上的)火漆封印；封蜡；封铅；封条。 2.捺印；封缄。 3.印；图章；戳记；纪念邮戳。 4.图记；记号。 5.保证；严守秘密的誓约；守秘密的义务。 6.密封；隔离；堵塞。 7.【机械工程】密封垫；焊接。 8.【物理学】绝缘。 9.征候；预兆。 10.(下水道的) S 形防臭弯管 (＝sealpipe)。 短语和例子 the privy seal 御玺。 Lord Keeper of the Great [Privy] S- 掌玺大臣。 the seals 英国上议院议长[国务大臣]的公章；上议院议长[国务大臣]的官职。 a bond under sb.'s hand and seal 有某人签名盖章的字据。 the seal of love 爱情的标志〔接吻、结婚等〕。 the seal of death 死的征兆。 a seal upon sb.'s lips 堵嘴钱。 affix [put, set] one's seal to 在…上盖印；对…表示同意；保证…批准。 break the seal 开封；拆信。 conduit seal 线管壳。 pass the seals 得到批准。 put the seal upon ＝put ... under seal 在…封上火漆印[打上封印]。 receive the seals 接印；接任。 set one's seal to 1. ＝affix one's seal to. 2. 批准；赞同。 take off the seal 拆信；开封。 under [with] a flying seal 以开口信。 the great seal＝the seal of state 国玺。 under my hand and seal 经我签名盖章。 under seal 盖有印鉴(的)。 under the seal of secrecy (约定)保守秘密。 vt. 1.盖印于；打印于；在(度量衡器、商品等上)加上检验封印。 2.〔常作 seal up〕 在…上打上封印；封；密封(信等)。 3.关进；关闭；密闭(容器、窗等)。 4.【电学】使(插头与插孔等)紧密接触。 5.用水泥等充填。 6.闭(嘴)；缄(口等)；守(秘密)。 7.证明。 8.保证 (with)。 9.决定；确定；注定(命运)；解决。 10.〔英海军〕接受；采用。 11.在…上划十字；给…施洗礼；(摩门教徒)举行(结婚[过继]仪式)。 短语和例子 The treaty has been signed and sealed. 条约已经签字盖章[签订]。 a sealed letter 密信。 sealing pliers 铅印钳。 sealing wire 铅印铅丝。 My lips are sealed. 我的嘴被封住了[我已经不好开口了]。 a sealed book 加上封印[不能打开]的书；谜，不可理解的事物。 as good as sealed (命运)是注定了[算完蛋了]。 seal in 1. 封入。 2. 焊死。 seal off 1.＝seal up. 2. 熨开；脱焊。 seal on 焊上。 seal up 1. 封；密封。 2. 确定。
any of numerous marine mammals that come on shore to breed; chiefly of cold regions
a device incised to make an impression; used to secure a closing or to authenticate documents 同义词：stamp,
fastener that provides a tight and perfect closure
a finishing coat applied to exclude moisture
fastener consisting of a resinous composition that is plastic when warm; used for sealing documents and parcels and letters 同义词：sealing wax,
an indication of approved or superior status 同义词：cachet, seal of approval,
a stamp affixed to a document (as to attest to its authenticity or to seal it); "the warrant bore the sheriff''s seal"
the pelt or fur (especially the underfur) of a seal; "a coat of seal" 同义词：sealskin,
decide irrevocably; "sealing dooms"
hunt seals
cover with varnish 同义词：varnish,
close with or as if with a seal; "She sealed the letter with hot wax"
make tight; secure against leakage; "seal the windows" 同义词：seal off,
affix a seal to; "seal the letter"
例句与用法
1.
I come here to bespeak fanny a seal . 我上这儿来为范妮定刻一枚图章。
2.
The mudstones provide an effective seal . 此泥岩提供了有效的封闭。
3.
The manager annexed his seal to the document . 经理在文件上盖印。
4.
Eskimos use seal to make tough threads . 爱斯基摩人用海豹皮做坚韧的线。
5.
Our foil packets seal the flavor in . 我们用锡纸包装以保持原味。
6.
The great seal is affixed to proclamations . 国玺加盖在公告上。
7.
A trainer throws fish to his seals . 驯兽人把鱼儿扔给他的海豹。
8.
The seals performed well at the circus . 这些海豹在马戏团里表演得很精彩。
9.
The putty gives a good seal round the window . 窗户四周泥的油灰密封效果很好。
10.
The document was authenticated by a seal . 文件有印鉴为凭。
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