lǎo shī / ràng / wǒ men / yòng / zhǐ bǎn / zuò / yí ge / liù miàn tǐ / bìng / biāo chū / tā / de / bā ge / dǐng diǎn老师让我们用纸板做一个六面体,并标出它的八个顶点。The teacher asked us to make a hexahedron out of cardboard and mark its eight vertices.