tree marriage

例句：

1. 1. They held a tree marriage ceremony in the park.
   他们在公园举行了一场树的婚礼。
2. 2.The couple's love story is like a tree marriage—tight and strong.
   这对夫妇的爱情就像树的婚礼一样——紧密而强大。
3. 3.The tree marriage symbolizes their commitment to each other and their future together.
   树的婚礼象征着他们对自己和未来的承诺。