Arbor Day

例句：

1. 1. Arbor Dayis a day dedicated to preserving andprotecting our forests.
   森林日是专门用于保护和保护我们的森林的日子。
2. 2. OnArbor Day, many people participate intree planting activities.
   在森林日，许多人参加植树活动。
3. 3. The Arbor Day celebrationoften includes events like tree-plantingcompetitions and tree-sharing programs.
   森林日庆祝活动通常包括植树比赛和树木共享计划等项目。