seals; sealed; sealing
seals; sealed; sealing
Learner's definition of SEAL
1
a [+ object] : to close (something) tightly so that air, liquid, etc., cannot get in or out密封 —
often + up b [+ object] : to close (an envelope, bag, etc.) by sticking or pressing two of its parts together封上(信封);系上(袋口) c [no object] : to become closed tightly密闭;关紧 2
[+ object] : to cover the surface of (something) with a substance that will protect it给…涂上保护层 3
[+ object] : to make (something) definite and final确定;锁定;使成定局 -
His home run sealed the victory. [=his home run made it certain that his team would win]他的本垒打锁定了胜局。
-
(informal) They finally sealed the deal. [=they finally reached an agreement and made a deal]他们终于达成了交易。
-
Their decision sealed her fate. = Once they made their decision, her fate was sealed. [=their decision made it certain that something bad or unwanted would happen to her]他们的决定锁定了她的命运。
4
[+ object] : to prevent someone from going into or through (an area or place)封锁;封闭;关闭
my lips are sealed
— see lip
seal in
[phrasal verb] seal (something) in or seal in (something)
: to prevent (something that is in something else) from getting out or escaping把…封闭在内
seal off
[phrasal verb] seal off (something) or seal (something) off
: to prevent people from entering or leaving (an area or place)封锁 2 seal /ˈsiːl/ noun
plural seals
plural seals
Learner's definition of SEAL
[count]
1
a : an official mark that is stamped on paper or on a small piece of wax to show that something (such as a document) is genuine and has been officially approved印章;图章 b : a small piece of stamped wax or a small sticker that is put on a letter or envelope to keep it closed or to show that it has not been opened封蜡;封条
2
: a device with a raised design that can be pressed into something (such as paper or wax) to make a seal封蜡模(印)
3
a : a piece of material (such as rubber) that is used on the lid of a container to keep air, water, etc., out of the container or to show the container has not been opened密封垫;密封圈 b : the state of being closed tightly so that no air, water, etc., can pass through密封;密闭
seal of approval
: an action or statement that shows approval or official acceptance批准;接受
set the seal on
British, formal
: to make (something) final or definite确定;锁定;使成定局
under seal
law, formal
: having an official seal that prevents the public from seeing or reading it密封;加盖印信 plural seals
plural seals
Learner's definition of SEAL
1
[count] : a large animal that lives in the sea near coasts, has flippers, and eats fish海豹
2
[noncount] : the skin of a seal usually used for fur海豹皮