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单词 prism
释义 prism n 1 solid geometric shape with ends that are parallel and of the same size and shape, and with sides that are parallelograms 棱柱(体). 2 transparent object of this shape, usu triangular and made of glass, which breaks up ordinary light into the colours of the rainbow 棱柱体透明物; (通常指)棱镜, 三棱镜. =>illus at spectrum 见 spectrum 插图.
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