specially prepared cardboard with a layer of china clay below a layer of Indian ink. The ink can be removed using a sharp tool to produce a design or picture composed of white lines
| 单词 | scraperboard |
| 释义 | scraperboardnounspecially prepared cardboard with a layer of china clay below a layer of Indian ink. The ink can be removed using a sharp tool to produce a design or picture composed of white lines |
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