prism
US /ˈprɪz.əm/
UK /ˈprɪz.əm/

1.
棱鏡
a solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.
:
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The light was refracted as it passed through the glass prism.
光線穿過玻璃棱鏡時發生折射。
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A triangular prism can split white light into a spectrum of colors.
三棱鏡可以將白光分解成光譜。