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TOEFL IELTS BNC: 4259 COCA: 4021

seal noun [ C ] ANIMAL

B2 a large mammal that eats fish and lives partly in the sea and partly on land or ice海豹

Examples

a seal pup

The plan to cull large numbers of baby seals has angered environmental groups.

We could see seals on the rocks, basking in the sun.

We spied a seal from the shore.

We sailed past a group of seals.

seal noun [ C ] COVERING

something fixed around the edge of an opening to prevent liquid or gas flowing through it密封垫;密封装置

Clean the seal on/around the fridge door regularly so that it remains airtight.定期清洁冰箱门上的密封条,可以使它保持密闭。

a thin piece of material such as paper or plastic that covers the opening of a container and has to be broken in order to open the container and use the contents封口

seal noun [ C ] MARK

an official mark on a document, sometimes made with wax, that shows that it is legal or has been officially approved封蜡;印章;封条

The lawyer stamped the certificate with her seal.律师在证书上盖上了她的印章。

seal verb [ T ] COVERING

C2 to close an entrance or container so that nothing can enter or leave it封,密封

to cover a surface with a special liquid to protect it(用特殊液体)封盖…的表面

This floor has just been sealed (with varnish), so don't walk on it!地板刚刚上过清漆,别在上面走!

C2 to close a letter or parcel by sticking the edges together封上(信或包裹)

Seal the package (up) with tape.用透明胶带把包裹封起来。
He sealed (down) the envelope and put a stamp on it.他封上信封,贴上邮票。

More examples

The top of the bottle is then sealed with green wax.

To ensure that the bottles of ink are not tampered with, the lids will be sealed with plastic.

Make sure that any gaps around the edge of the bath are sealed.

Seal the bags before they go in the freezer.

Food sealed in foil pouches lasts for a long time.

seal verb [ T ] MARK

to make an agreement more certain or to approve it formally确认,正式批准(协议)

The two leaders sealed their agreement with a handshake.两位领导人握手表示达成协议。
TOEFL IELTS BNC: 4259 COCA: 4021
seal

noun¹

1animal動物ADJECTIVE | VERB + SEAL | SEAL + VERB | SEAL + NOUN ADJECTIVEbaby小海豹VERB + SEALhunt捕獵海豹club用棍棒打海豹The ad criticized hunters for clubbing baby seals.這則廣告譴責用棍棒擊殺小海豹的捕獵者。cull (especially BrE) 選擇性捕殺海豹Environmentalists claim there is no reason to cull seals.環保主義者稱沒有理由對海豹進行選擇性捕殺。SEAL + VERBbask海豹曬太陽SEAL + NOUNpup小海豹colony海豹群cull (especially BrE) 對海豹的選擇性捕殺hunt獵殺海豹
seal

noun²

2for a document文件ADJECTIVE | VERB + SEAL | PHRASES ADJECTIVEwax蠟封an official-looking letter with a wax seal帶有蠟封、看上去正式的信件presidential, privy, royal總統/私人/王室印章VERB + SEALbreak開封條He broke the seal and opened the envelope.他撕下封條,拆開了信封。PHRASESa/the/sb's seal of approval正式批准Her report was given the seal of approval by senior management.她的報告得到了高級管理層的正式批准。
seal

verb

ADVERB | PREPOSITION ADVERBcarefully, properly, tightly, well仔細密封;妥善密封;牢牢封住;封嚴實The containers must be carefully sealed so that no air can get in.這些容器必須仔細密封,以防空氣進入。completely完全密封The unit is completely sealed.這個裝置處於完全密封狀態。virtually實際上密封effectively有效地密封hermetically真空密封a hermetically sealed container真空密封的容器away, in, off, up封閉;封閉在裏面;封鎖;封上Police sealed off the area.警察封鎖了該地區。PREPOSITIONfrom使與⋯隔絕The nuclear plant would be effectively sealed off from the world.該核電廠將與外界完全隔離開。with用⋯密封He sealed the bag tightly with tape.他用膠帶將袋子牢牢封住。
TOEFL IELTS BNC: 4259 COCA: 4021
seal verb
block2 (a sealed plastic bag) block3 (seal the border)
seal noun
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