zhí / wù / de / rèn / pí / bù / fù / zé / bǎ / yè / piàn / zhì / zào / de / yǎng / fèn / yùn / shū / dào / gēn / bù

植物的韧皮部负责把叶片制造的养分运输到根部。

The phloem transports nutrients produced by the leaves to the roots.