闭塞 (bì sè): To close up (Adjective) — Meaning & Stroke Order

That mountain village is hard to get to, with little connection to the outside world.

Don't you think this closed-minded view is already outdated?

He did not give up his pursuit of knowledge just because he came from an out-of-the-way mountain village.

Due to poor transportation access, economic development here has always been slow.