N-COUNT
(持共同态度或信仰的人的)大本营,据点
If you say that a place or region is a stronghold of a particular attitude or belief, you mean that most people there share this attitude or belief.
例句
The westernmost part of north Wales is a stronghold of Welsh-speakers...
北威尔士最西部是说威尔士语人的聚居区。
The seat was a stronghold of the Labour party.
这个选区是工党的大本营。