xylomancy

例句：

1. 1.The xylem of the tree is the main part of the trunk that contains the water-conducting vessels.
   树的木质部是树干中包含水分输送管道的主要部分。
2. 2. Xylem is responsible for transporting water and nutrients throughout the plant.
   木质部负责植物体内水分和养分的运输。
3. 3. In some species, the xylem can also be used to store food reserves.
   在一些物种中，木质部还可以用来储存食物储备。