lǎo shī / zài / shēn qǐng biǎo / shàng / xiě le / pī tiáo / zhǔn xǔ / xué shēng / jiè yòng / shí yàn shì

老师在申请表上写了批条，准许学生借用实验室。

The teacher wrote an approval note on the application form authorizing the student to use the laboratory.