essential mineral
·2,447,543篇论文数据，部分数据来源于NoteExpress
针铁矿的发现表明春秋时期该矿物己被用作黄色颜料，这是目前己知的针铁矿作为黄颜料使用的最早的实例。
The discovery of goethite shows that this mineral has been used as pigments as early as in the Spring and Autumn period. This is the earliest example that goethite was used as yellow pigments.
youdao
应用推荐
模块上移
模块下移
不移动