单词 | plumbago | ||
释义 |
|
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 |
英汉双解词典包含2273206条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。