seal

封上信封close envelope

1.~ sth (up/down)封上（信封）to close an envelope, etc. by sticking the edges of the opening together

密封容器close container

2.[oftpass]~ sth (up) (with sth)密封（容器）to close a container tightly or fill a crack, etc., especially so that air, liquid, etc. cannot get in or out

覆盖表面cover surface

3.[oftpass]~ sth (with sth)封盖…的表面to cover the surface of sth with a substance in order to protect it

确定make sth definite

4.~ sth确定；明确定下来；使成定局to make sth definite, so that it cannot be changed or argued about

关闭边界╱出口close borders/exits

5.~ sth关闭；封闭；封锁to prevent people from passing through a place

印章official mark

1.[c]印章；图章；玺；印记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

确认making sth definite

2.[sing]表示确认的事物；保证；信物a thing that makes sth definite

容器on containers

3.[c]密封垫（或带等）a substance, strip of material, etc. used to fill a crack so that air, liquid, etc. cannot get in or out

信件；盒子on letters/boxes

4.[c]封蜡；封铅；封条；火漆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

海洋动物sea animal

6.[c]海豹a sea animal that eats fish and lives around coasts. There are many types of seal , some of which are hunted for their fur.

set the seal on sth

使某事万无一失；使某事圆满to make sth definite or complete

under seal

密封；加盖印信in a sealed envelope that cannot be opened before a particular time

1.密封;隔离;堵塞

2.【摄】密封

3.海豹

4.(打在火漆,铅等上的)火漆封印;封蜡;封铅;封条

5.印;图章;戳记;纪念邮戳

6.保证;严守秘密的誓约;守秘密的义务

7.【机】密封垫;焊接

8.捺印;封缄

9.〈美〉海豹突击队

10.图记;记号

11.【物】绝缘

12.海豹毛皮(制品)

13.海豹皮色

14.征候;预兆

15.(下水道的) S 形防臭弯管

1.在...上打上封印;封;密封(信等)

2.关进;关闭;密闭(容器,窗等)

3.闭(嘴);缄(口等);守(秘密)

4.决定;确定;注定(命运);解决

5.保证 (with)

6.证明

7.【海】〈英〉接受;采用

8.猎海豹

9.盖印于;打印于;在(度量衡器,商品等上)加上检验封印

10.【电】使(插头与插孔等)紧密接触

11.用水泥等充填

12.在...上划十字;给...施洗礼;(摩门教徒)举行(结婚[过继]仪式)

1.a large ocean animal that eats fish and lives mainly in cold parts of the world. Seals are amphibiousthey can live both in water and on land. A young seal is called a pup.

2.a piece of something such as wire or wax that seals a container and that you have to break before you can open the container; a shaped piece of something such as rubber that closes a hole inside a machine so that air or other substances cannot get in or out

3.a special mark that you put on something, for example a document, to show that it is legal or official

1.to close a container or space by covering it with something so that air or other substances cannot get in or out