Lǎoshī / bǎ / zhǐ / yàng / fàng / zài / zhuō / shàng / gěi / xuéshēng / jiǎngjiě / yīfu / de / zhìzuò / bùzhòu

老师把纸样放在桌上，给学生讲解衣服的制作步骤。

The teacher placed the paper pattern on the table and explained the steps for making the garment.