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单词 plumbago
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在凯尔特人时代,人们已经将石墨应用于陶器生产中了,很多年后的1565年,英国的牧羊人发现了一种闪亮的无烟煤颜色的物质,这种物质非常适用于画画和书写,牧羊人将这种材料命名为plumbago
gk-graphite.cn
A long time after the era of the Celts, who already had used graphite in the production of ceramics, English shepherds in the year 1565 found a glossy anthracite-coloured mineral that was excellently suited for drawing and writing, and theygave itthe name "plumbago".
gk-graphite.cn
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更新时间:2025/3/27 2:13:04