钉书钉

dìng shū dīng
  • staple
钉书钉钉书钉
钉书钉 [dīng shū dīng]
  • [staple] 小的U形铁丝[钉],其两端被钉入[纸或纸板等薄且易透的分层材料,通常被夹紧之后起装订的作用]