prismsn.棱柱；棱镜（名词prism的复数形式）prismn.棱柱；棱镜；折光体prism-like medium似棱镜媒质prismatic condenser棱形聚光器prism-angle error棱镜角差误prismatic anamorphs棱镜式宽银幕物镜附件prismatic periscope棱镜式潜望镜prismascopic camera棱镜仪照相机prism refractometer棱镜折射计prism coupler mount棱镜耦合器装置prismatic roundness棱圆度prismatic structure柱状构造,棱柱状结构