arbor for spacing piece

例句：

1. 1. The arbor is the main feature of this park.
   这个公园的主要特征是这棵树。
2. 2. The trees are tall and sturdy, providing shade for the people below.
   这些树又高又结实，为下面的人们提供阴凉。
3. 3. The arbor was constructed to provide shelter for the birds during the winter months.
   这棵树被建造出来是为了在冬天为鸟儿提供庇护。