prismsn.棱柱；棱镜（名词prism的复数形式）prismn.棱柱；棱镜；折光体prism spectrometer棱镜分光仪prism imperfection棱镜缺陷prismoidal formula棱体土方公式prismata adamantina[医] 釉柱prismatic telescope棱镜望远镜prism monochromator棱镜单色光镜Prismatic formation棱形成型prismatic astrolabe棱镜等高仪prism magnification棱镜放大率prismatic binocular棱镜双筒望远镜,棱镜式双目望远镜