drawing pin
柯林斯词典
1. N-COUNT 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. 圖釘[英國英語]
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drawing pin (also drawing-pin) (drawing pins)
剑桥词典
- a short , sharp pin with a flat , round top , used especially for putting up notices
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