plaster cast
英 [ˈplɑːstə kɑːst] 美 [ˈplæstər kæst]
n. (固定骨折部位的)石膏绷带，石膏夹; 石膏模型
牛津词典
noun
（固定骨折部位的）石膏绷带，石膏夹
a case made of plaster of Paris that covers a broken bone and protects it石膏模型
a copy of sth, made from plaster of Paris They took a plaster cast of the teeth for identification purposes.
他们做了这副牙的石膏模型作鉴别之用。