铁丝订书机

印刷

[ noun ]
a hand-held machine for driving staples home
<noun.artifact>

staple gun \sta"ple gun`\, n.
A device used to drive a heavy staple[8] through multiple
objects, so as to fasten them together; it has a spring
mechanism which stores force as a lever is pulled by the
operator's hand, and the force is released all at once to
drive the staple fully into the object to be fastened.
[PJC]