柯林斯词典bobby pin /ˈbɒbɪ pɪn/ (bobby pins) 1. N-COUNT A bobby pin is a small piece of metal or plastic bent back on itself that someone uses to hold their hair in position. 發夾[美國英語] 返回 bobby pin剑桥词典a U-shaped metal pin that is tightly bent and slides into the hair in order to keep it back off the face or to keep part of the hair in position 發夾 返回 bobby pin