植树造林是俺们每个公民的义务，国家还专门规定了在三月十二日这天为植树节。
Afforestation is our obligation to every citizen, the state has special provisions in the day on March 12 for Arbor day.
植树造林是俺们每个公民的义务，国家还专门规定了在三月十二日这天为植树节。
Afforestation is our obligation to every citizen, the state has special provisions in the day on March 12 for Arbor day.
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