lǎo / shī / yòng / shí / wù / jiào / xué / ràng / xué / shēng / gèng / róng / yì / lǐ / jiě / zhè / ge / gài / niàn

老师用实物教学，让学生更容易理解这个概念。

The teacher used real objects in the lesson to help students understand the concept more easily.