dīng
钉
shū
书
dīngshūdīng
ㄉㄧㄥㄕㄨㄉㄧㄥ
釘書釘
钉书钉 dìngshūdīng [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]
集散