zài / shí / wù / jiào / xué / kè / shàng / hái / zi / men / kě / yǐ / zhí / jiē / guān / chá / zhí / wù / de / gēn / hé / yè / zi

在实物教学课上，孩子们可以直接观察植物的根和叶子。

In an object-based lesson, the children can directly observe the roots and leaves of plants.