gypsum

Their mouths were full of gypsum..他们的嘴里叼满了石膏。

Modern Paris sits atop massive formations of limestone and gypsum..近代巴黎是由大块的石灰岩和石膏构成的。

The yellow substance was gypsum, or calcium sulfate dehydrate, a common component of plaster..这种黄色的物质叫做脱水硫化钙，通常是石膏的一种组成部分。

gypsum board,石膏板

gypsum powder,石膏粉；熟石膏粉

gypsum plaster,石膏灰泥，石膏抹面；石膏胶凝材料；粉饰用石膏粉

gypsum block,石膏块材，石膏砌块；石膏块

gypsum mold,石膏模型

gypsum plaster board,石膏板；石膏灰泥板

chemical gypsum,化学石膏