但自从1979年，每年公历的三月12日被规定为“植树节”。

But since 1979, "Arbor Day" was settled as March 12 according to the Gregorian calendar.

youdao

但自从1979年，每年公历的三月12日被规定为“植树节”。

But since 1979, "Arbor Day" was settled as March 12 according to the Gregorian calendar.

youdao