| 单词 | pin-flat | 
| 释义 | > as lemmaspin-flat   pin-flat  n. U.S. rare a cardboard holder for dressmaking pins (see quot. 1890). ΚΠ 1890    Cent. Dict. XVI. 4498/2  				Pin-flat, a small disk of double cardboard covered with some textile material so arranged that pins can be stuck into the edge. 1906    N.E.D. at Pin sb.1  				Pin-flat. < as lemmas | 
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