n-ary tree

例句：

1. 1. The n-ary treeis a popular ornamental plant in manygardens.
   n-ary树是许多花园中受欢迎的观赏植物。
2. 2. The n-arytree produces beautiful flowers throughout the year.
   n-ary树全年都能开出美丽的花朵。
3. 3.The n-ary tree has been usedfor centuries as a source of food andmedicine.
   n-ary树自古以来就被用作食物和药物的来源。