今天是植树日。

Today is Tree-planting day.

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在中国，植树节在03月12日。

In China, Planting Trees Day is on March 12.

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以后将3月12日定为植树节。

After the March 12 as Arbor Day.

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以后将3月12日定为植树节。

After the March 12 as Arbor Day.

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