lǎo / shī / fā / gěi / wǒ / men / yí / fèn / liáng / guī / shuō / míng / zhè / piān / zuò / wén / de / píng / fēn / biāo / zhǔn

老师发给我们一份量规，说明这篇作文的评分标准。

The teacher gave us a rubric explaining the grading criteria for the essay.