noun 下载 🔗分享 石膏 A mineral consisting of hydrated calcium sulphate. When calcined, it forms plaster of Paris. Examples : "The construction workers used sheets of gypsum to build the interior walls of the new house. " 建筑工人们用石膏板来建造新房的内墙。 mineral material geology substance 与AI对话词汇游戏阅读练习