jack tree

例句：

1. 1. The jack tree is a popular choice for landscaping in the region.
   杰克树是该地区流行的景观树种。
2. 2.The jack tree produces beautiful white flowers that attract bees.
   杰克树开出美丽的白色花朵，吸引蜜蜂。
3. 3. The jack tree has long been used as a source of timber and medicine.
   杰克树长期以来被用作木材和药材的来源。