scratch·board 
(skrăchbôrd′)
(skrăchbôrd′)n.
A drawing board coated with white clay and a surface layer of black ink that is scratched or scraped away to produce an effect similar to engraving. Also called scraperboard.
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| 单词 | scratchboard |
| 释义 | scratch·board (skrăchbôrd′)n. A drawing board coated with white clay and a surface layer of black ink that is scratched or scraped away to produce an effect similar to engraving. Also called scraperboard. |
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