graduating stem nut

例句：

1. 1.The tree is a symbol of graduation and achievement.
   这棵树是毕业和成就的象征。
2. 2.The students gathered around the tree to celebrate their graduation.
   学生们围在树下庆祝他们的毕业。
3. 3.The tree's unique shape and flavor make it a popular snack among students.
   这棵树独特的形状和口味使它成为学生们喜欢的零食。