An unbridged river, stream, etc. does not have a bridge over a particular part of it.

In order to get to church, we had to cross an unbridged river. 要去到那座教堂，我们得淌过一条没有桥的河流。

The route took us over seven, as yet unbridged, canals. 这条路线带着我们越过了七条迄今为止尚未通桥的运河。

If there is an unbridged difference between two people, groups, or things, it has not been possible to make them understand each other or agree.

She worried about the unbridged chasm between Lucy and herself. 她为她和露西之间无法消除的分歧而担忧。

The climate conference closed with many gaps still unbridged. 气候大会并未彻底消除分歧但缩小了差异。