A rigid board made of layers of fiberboard or paper bonded to a gypsum plaster core, used instead of plaster or wood panels in construction to form walls.是什么意思_A rigid board made of layers of fiberboard or paper bonded to a gypsum plaster core, used instead of plaster or wood panels in construction to form walls.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句