单词	Arbor Day
释义	Arbor Day /ˈɑːbə deɪ / noun A day dedicated annually to public tree planting in the US, Australia, and other countries.On Arbor Day schoolchildren planted trees to learn the value of reforestation.... Every year, we did exactly one thing; plant a tree on Arbor Day. They plant trees on Arbor Day and study rocks and crystals. Origin From Latin arbor 'tree'.
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