翻译:酝酿已久的中国法定节假日调整已于11月8日公布.

酝酿已久的中国法定节假日调整已于11月8日公布.

The long-brewed national legal holiday adjustment was announced on the 8th. of September.

法定的，建议用legal

a.
1. 法律上的,有关法律的[B]
He intends to take legal action.
他打算提出诉讼。
2. 合法的,正当的
Gambling is not legal here.
这里赌博是不合法的。
3. 法定的
When you drive, you must not exceed the legal limit.
你开车时不能超过法定的速度。

China has long been brewing the statutory holidays adjustment was announced on November 8.

或者使用Which 引导的定语从句
The statutory holidays adjustment in China which has long been brewing was announced on November 8.

statutory holidays 法定节日 固定搭配