overarching|overarch

这一结论是统摄性的，统一了几个线索。

The conclusion is ___overarching, uniting several threads.

中央政府拥有对地方政府的最高管辖权。

The central government has ___overarching authority over local governments.

茂密的树枝在花园小径上方交错伸展，形成了一道天然的华盖。

The thick branches ___overarch the garden path like a natural canopy.