n fastener consisting of a resinous composition that is plastic when warm; used for sealing documents and parcels and letters
n a device incised to make an impression; used to secure a closing or to authenticate documents
n the pelt or fur (especially the underfur) of a seal
n a member of a Naval Special Warfare unit who is trained for unconventional warfare
n a stamp affixed to a document (as to attest to its authenticity or to seal it)
n an indication of approved or superior status
n a finishing coat applied to exclude moisture
n fastener that provides a tight and perfect closure
n any of numerous marine mammals that come on shore to breed; chiefly of cold regions
v make tight; secure against leakage
v close with or as if with a seal
v decide irrevocably
v affix a seal to
v cover with varnish
v hunt seals
n. 海豹( seal的名词复数 ); 批准; (火漆)封印; 印章
v. 密封( seal的第三人称单数 ); 决定; 确定; 封上(信封)