- thin card covered with a layer of white china clay and a black top layer of Indian ink, which can be scraped away with a special tool to leave a white line
| 单词 | scraperboard |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 scrap•er•board (skrā′pər bôrd′, -bōrd′),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: scraperboard /ˈskreɪpəˌbɔːd/ n
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