Lǎo / shī / ràng / wǒ / men / huà / yí / gè / zhèng / duō / biān / xíng / bìng / biāo / chū / tā / de / duì / chèn / zhóu

老师让我们画一个正多边形，并标出它的对称轴。

The teacher asked us to draw a regular polygon and mark its axes of symmetry.