[TOP]drawing pin 'drawing pin (BrE) (NAmEthumb·tack,tack) noun a short pin with a large round flat head, used especially for fastening paper to a board or wall  图钉 [TOP]drawing pin 'drawing pin noun [C] [BrE] 1. a short metal pin with a round flat head, used especially for putting notices on boards or walls 图钉; SYN thumbtack [AmE] [TOP]drawing pin UK (US thumbtack) noun countable » a short sharp pin with a flat round top used especially for putting up notices 图钉 [TOP]drawing pin
1.N-COUNT 可数名词 图钉 A drawing pin is a short pin with a broad, flat top which is used for fastening papers or pictures to a board, wall, or other surface.