seal

any of numerous marine mammals that come on shore to breed

任何一种上岸繁殖的海洋哺乳动物

chiefly of cold regions

主要是寒冷地区

a device incised to make an impression

切开留下印记的装置

used to secure a closing or to authenticate documents

用于确保关闭或验证文档

stamp

fastener that provides a tight and perfect closure

提供紧密闭合的紧固件

a finishing coat applied to exclude moisture

用来防潮的面漆

fastener consisting of a resinous composition that is plastic when warm

由树脂组成的紧固件，加热时是塑料的

used for sealing documents and parcels and letters

用于封文件、包裹和信件

sealing wax

an indication of approved or superior status

表明被认可或优越地位的标志

cachet

seal of approval

a stamp affixed to a document (as to attest to its authenticity or to seal it)

附在文件上的（用于证明文件的真实性或盖章）

the warrant bore the sheriff’s seal

搜查令上有警长的

the pelt or fur (especially the underfur) of a seal

海豹的毛皮

a coat of seal

一层海豹皮

sealskin

decide irrevocably

不可撤销地决定

sealing dooms

封印厄运

t seals

猎海豹

cover with varnish

涂清漆

varnish

close with or as if with a seal

用或好象用封条封闭

She sealed the letter with hot wax

她用热蜡封信

make tight

绷紧

secure against leakage

防止泄漏

seal the windows

把窗户封上

seal off

affix a seal to

加盖

seal the letter

封信