An impure oxide of cobalt , used to produce a blue color in enamel and smalt.
浅的绿蓝色颜料,主要由钴和锡的氧化物组成.
For example, use pigment from lapis lazuli or azurite very sparingly, and also use something cheaper, like smalt, which was made of ground glass.
比如非常节约地使用提取自天青石或孔雀石的颜料,还有使用更便宜的颜料,比如大青色,一种由钴玻璃制成的深蓝色。
简答网 · 四六级英语
简答网 · 双语娱乐资讯
简答网 · 高考英语
简答网 · 初中英语作文