scratchboard是什么意思

scratchboard

美['skrætʃˌboʊrd]  英['skrætʃbɔːd]
n.  <美> = scraperboard

例句

  1. The text has been capably illustrated in a complex process utilizing original drawings, black-and-white scratchboard, and a computer program for color. 诗歌利用原始的图画，黑白的底板，计算机程序技术为本书绘图，更精彩地讲述故事。
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