zhí / wù / yè / piàn / de / shàng / pí / céng / xì / bāo / néng / yǒu / xiào / fáng / zhǐ / shuǐ / fèn / liú / shī

植物叶片的上皮层细胞能有效防止水分流失。

The upper epidermal cells of plant leaves can effectively prevent water loss.