rub

彰化縣社頭鄉湳雅國小

The students are learning how to do leaf rubbing with crayons and paper.

學生們正在學習如何用蠟筆和紙拓印樹葉。

They carefully rub over the leaf to show its veins and shape on paper.

他們小心翼翼地拓印葉子，在紙上顯示葉子的紋理和形狀。