epiphloedal

例句：

1. 1.The epiphloedal part of the plant is where the roots grow.
   植物的外皮部分是根生长的地方。
2. 2. The epiphloedal layer protects the plant from external damage.
   外皮层保护植物免受外部损伤。
3. 3.The epiphloedal tissue is responsible for the plant's growth and development.
   外皮组织负责植物的生长和发育。