| 单词 | seal |
| 释义 | verbnoun🔑 sealBrE /siːl/ NAmE /siːl/ verb present simple - I / you / we / they seal BrE /siːl/ NAmE /siːl/ present simple - he / she / it seals BrE /siːlz/ NAmE /siːlz/ past simple sealed BrE /siːld/ NAmE /siːld/ past participle sealed BrE /siːld/ NAmE /siːld/ -ing form sealing BrE /ˈsiːlɪŋ/ NAmE /ˈsiːlɪŋ/ ➤ close envelope 封上信封🔑 ~sth (up /down )to close an envelope , etc . by sticking the edges of the opening together 封上（信封）◆ Make sure you've signed the cheque before sealing the envelope . 一定要在支票上签了名再封信封。◆ a sealed bid (= one that is kept in a sealed envelope and therefore remains secret until all other bids have been received )密封（投）标➤ close container 密封容器🔑 [often passive ]~sth (up ) (with sth )to close a container tightly or fill a crack , etc ., especially so that air , liquid , etc . cannot get in or out 密封（容器）◆ The organs are kept in sealed plastic bags . 这些器官保存在密封塑料袋里。➤ cover surface 覆盖表面[often passive ]~sth (with sth )to cover the surface of sth with a substance in order to protect it 封盖…的表面◆ The floors had been stripped and sealed with varnish . 地板已清理干净，涂上了清漆。➤ make sth definite 确定~sth to make sth definite , so that it cannot be changed or argued about 确定；明确定下来；使成定局◆ to seal a contract 订立合同◆ They drank a glass of wine to seal their new friendship . 他们干了一杯，交成朋友。◆ The discovery of new evidence sealed his fate (= nothing could prevent what was going to happen to him ). 新发现的证据决定了他的命运。➤ close borders /exits 关闭边界/出口~sth (of the police , army , etc .警察、军队等) to prevent people from passing through a place 关闭；封闭；封锁◆ Troops have sealed the borders between the countries . 军队已关闭了两国边界。 ● my lips are ˈsealed used to say that you will not repeat sb's secret to other people （表示不会说出某人的秘密）我把嘴封住，我绝口不提● ˌsigned and ˈsealed ● ˌsigned , ˌsealed and deˈlivered definite , because all the legal documents have been signed 签名盖章完毕的；铁定的；成定局的Alliteration in idiomsbelt and braces,(beat somebody) black and blue,born and bred,chalk and cheese,chop and change,done and dusted,down and dirty,in dribs and drabs,eat somebody out of house and home,facts and figures,fast and furious,first and foremost,forgive and forget,hale and hearty,hem and haw,kith and kin,mix and match,part and parcel of something,puff and pant,go to rack and ruin,rant and rave,risk life and limb,short and sweet,signed and sealed,spic and span,through thick and thin,this and that,top and tail something,tried and testedtrusted,wax and wane ● ˌseal sth↔ˈin to prevent sth that is contained in sth else from escaping 把…封闭在里边● ˈseal sth in sth to put sth in an envelope , container , etc . and seal it 把…封闭在…里◆ The body was sealed in a lead coffin . 尸体安放在密闭的铅棺中。● ˌseal sth↔ˈoff 🔑 (of the police , army 警察、军队) to prevent people from entering a particular area 封锁；封闭🔑 sealBrE /siːl/ NAmE /siːl/ noun ➤ official mark 印章🔑 [C ]an official design or mark , stamped on a document to show that it is genuine and carries the authority of a particular person or organization 印章；图章；玺；印记◆ The letter bore the president's seal . 信上盖有总统的印章。➤ making sth definite 确认[sing. ]a thing that makes sth definite 表示确认的事物；保证；信物◆ The project has been given the government's seal of approval (= official approval ). 项目已由政府正式批准。◆ I looked upon the gift as a seal on our friendship . 我把你的礼物看作我们之间友谊的见证。➤ on containers 容器🔑 [C ]a substance , strip of material , etc . used to fill a crack so that air , liquid , etc . cannot get in or out 密封垫（或带等）◆ a jar with a rubber seal in the lid 盖子上有密封垫的广口瓶◆ Only drink bottled water and check the seal isn't broken . 只喝瓶装水，并且要确保封口没有破损。➤ on letters /boxes 信件；盒子[C ]a piece of wax (= a soft substance produced by bees ), soft metal or paper that is placed across the opening of sth such as a letter or box and which has to be broken before the letter or box can be opened 封蜡；封铅；封条；火漆◆ He broke the wax seal and unrolled the paper . 他揭去封蜡，把纸卷展开。[C ]a piece of metal , a ring , etc . with a design on it , used for stamping a waxor metal seal 封蜡模（印）；封铅模（印）➤ sea animal 海洋动物[C ]a sea animal that eats fish and lives around coasts . There are many types of seal , some of which are hunted for their fur 海豹◆ a colony of seals 一群海豹◆ grey seals basking on the rocks 在岩石上晒太阳的灰海豹 ● set the ˈseal on sth (formal ) to make sth definite or complete 使某事万无一失；使某事圆满◆ Her election to the premiership set the seal on a remarkable political career . 当选总理使她的政治生涯灿烂辉煌。● under ˈseal (formal ) (of a document 文件) in a sealed envelope that cannot be opened before a particular time 密封；加盖印信 |
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