noun 下载 🔗分享 雄黄 Arsenic trisulphide, occurring naturally in crystals or massive deposits, formerly used as a dye or pigment Examples : "The ancient Egyptians used orpiment to create the bright yellow color in some of their tomb paintings. " 古埃及人曾经使用雄黄来制作他们墓室壁画中鲜艳的黄色。 substance material mineral chemistry color art 与AI对话词汇游戏阅读练习