1·Which day is Chinese Arbor Day?
中国的植树节是哪一天？
2·What do people often do on Chinese Arbor Day?
人们常常在中国植树节这一天做什么？
3·As years go by, Arbor Day has become one of the major holidays in America.
随着时间流逝，植树节已经成为美国的主要节日之一。
4·The National Arbor Day Foundation has challenged many cities to earn its "Tree City USA" flag by planting and protecting more trees.
国家植树节基金会向许多城市发起挑战，要求它们通过种植和保护更多的树木来赢得那面“美国树城”的旗帜。
5·Dad, it's the Arbor day today.
爸爸，今天是植树节呢。
6·After the March 12 as Arbor Day.
以后将3月12日定为植树节。
7·Last Arbor Day I planted two trees.
上年的植树节，我种了两棵树。
8·Which day is the Chinese Arbor day?
中国的植树节是哪一天？
9·Wishing you the Arbor Day happiness.
祝你植树节快乐。
10·Arbor Day happiness!
植树节快乐！