n.
a token that postal fees have been paid
同义词：postagepostage stamp
the distinctive form in which a thing is made
同义词：castmold
a type or class
"more men of his stamp are needed"
a symbol that is the result of printing
"he put his stamp on the envelope"
同义词：impression
machine consisting of a heavy bar that moves vertically for pounding or crushing ores
同义词：pestle
a block or die used to imprint a mark or design
a device incised to make an impression; used to secure a closing or to authenticate documents
同义词：seal
