Sheetrock       
noun [ U ]  trademark (also sheetrock) uk/ˈʃiːt.rɒk/ us/ˈʃiːt.rɑːk/
 “板岩”牌石膏板(现常用作石膏板的统称)
a brand name for a type of plasterboard (= material consisting of two sheets of heavy paper with a layer of plaster (= a substance that becomes hard as it dries) between them, used to make walls and ceilings before putting on a top layer of plaster)
  It makes building products such as Sheetrock panels. 它生产建筑产品,如“板岩”牌石膏板。 
 Improperly built roofs let water contaminate sheetrock and wood. 建造不当的屋顶会让水污染石膏板和木材。 
 - More examples
 - As silly as it seems we even import sheetrock for building houses.
 - Sheetrock or tile backing would be behind bathroom walls to make it easier to install grab bars.
 - She reported that the insulation and sheetrock at the warehouse building is complete.